Home / 15,618.29-21,547.18-9,952.03

Finding the Fourth Proportional to 15,618.29, 21,547.18 and 9,952.03

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Solution

The fourth proportional to 15,618.29, 21,547.18 and 9,952.03 is: 13,729.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618.29 : 21,547.18 = 9,952.03 : x
  2. Step 2: Convert to fraction form
    15,618.29/21,547.18 = 9,952.03/x
  3. Step 3: Cross multiply
    15,618.29x = 21,547.18 × 9,952.03
  4. Step 4: Simplify right side
    15,618.29x = 214,438,181.78
  5. Step 5: Solve for x
    x = 214,438,181.78/15,618.29
  6. Step 6: Final answer
    x = 13,729.94

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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.