Home / 15,547.70-23,321.44-4,454.40

Finding the Fourth Proportional to 15,547.70, 23,321.44 and 4,454.40

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Solution

The fourth proportional to 15,547.70, 23,321.44 and 4,454.40 is: 6,681.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,547.70 : 23,321.44 = 4,454.40 : x
  2. Step 2: Convert to fraction form
    15,547.70/23,321.44 = 4,454.40/x
  3. Step 3: Cross multiply
    15,547.70x = 23,321.44 × 4,454.40
  4. Step 4: Simplify right side
    15,547.70x = 103,883,011.20
  5. Step 5: Solve for x
    x = 103,883,011.20/15,547.70
  6. Step 6: Final answer
    x = 6,681.57

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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.