Home / 15,740.10-23,610.15-9,908.10

Finding the Fourth Proportional to 15,740.10, 23,610.15 and 9,908.10

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Solution

The fourth proportional to 15,740.10, 23,610.15 and 9,908.10 is: 14,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,740.10 : 23,610.15 = 9,908.10 : x
  2. Step 2: Convert to fraction form
    15,740.10/23,610.15 = 9,908.10/x
  3. Step 3: Cross multiply
    15,740.10x = 23,610.15 × 9,908.10
  4. Step 4: Simplify right side
    15,740.10x = 233,931,727.22
  5. Step 5: Solve for x
    x = 233,931,727.22/15,740.10
  6. Step 6: Final answer
    x = 14,862.15

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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.