Home / 39,570.08-59,353-9,988.17

Finding the Fourth Proportional to 39,570.08, 59,353 and 9,988.17

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Solution

The fourth proportional to 39,570.08, 59,353 and 9,988.17 is: 14,981.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,570.08 : 59,353 = 9,988.17 : x
  2. Step 2: Convert to fraction form
    39,570.08/59,353 = 9,988.17/x
  3. Step 3: Cross multiply
    39,570.08x = 59,353 × 9,988.17
  4. Step 4: Simplify right side
    39,570.08x = 592,827,854.01
  5. Step 5: Solve for x
    x = 592,827,854.01/39,570.08
  6. Step 6: Final answer
    x = 14,981.72

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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.