Home / 15,608.02-21,532.20-9,316.75

Finding the Fourth Proportional to 15,608.02, 21,532.20 and 9,316.75

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Solution

The fourth proportional to 15,608.02, 21,532.20 and 9,316.75 is: 12,853.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,608.02 : 21,532.20 = 9,316.75 : x
  2. Step 2: Convert to fraction form
    15,608.02/21,532.20 = 9,316.75/x
  3. Step 3: Cross multiply
    15,608.02x = 21,532.20 × 9,316.75
  4. Step 4: Simplify right side
    15,608.02x = 200,610,124.35
  5. Step 5: Solve for x
    x = 200,610,124.35/15,608.02
  6. Step 6: Final answer
    x = 12,853.02

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.