Home / 16,312.77-22,512.15-9,239.04

Finding the Fourth Proportional to 16,312.77, 22,512.15 and 9,239.04

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Solution

The fourth proportional to 16,312.77, 22,512.15 and 9,239.04 is: 12,750.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,312.77 : 22,512.15 = 9,239.04 : x
  2. Step 2: Convert to fraction form
    16,312.77/22,512.15 = 9,239.04/x
  3. Step 3: Cross multiply
    16,312.77x = 22,512.15 × 9,239.04
  4. Step 4: Simplify right side
    16,312.77x = 207,990,654.34
  5. Step 5: Solve for x
    x = 207,990,654.34/16,312.77
  6. Step 6: Final answer
    x = 12,750.17

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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.