Home / 15,547.80-23,321.70-15,329.10

Finding the Fourth Proportional to 15,547.80, 23,321.70 and 15,329.10

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Solution

The fourth proportional to 15,547.80, 23,321.70 and 15,329.10 is: 22,993.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,547.80 : 23,321.70 = 15,329.10 : x
  2. Step 2: Convert to fraction form
    15,547.80/23,321.70 = 15,329.10/x
  3. Step 3: Cross multiply
    15,547.80x = 23,321.70 × 15,329.10
  4. Step 4: Simplify right side
    15,547.80x = 357,500,671.47
  5. Step 5: Solve for x
    x = 357,500,671.47/15,547.80
  6. Step 6: Final answer
    x = 22,993.65

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.