Home / 16,192.80-22,346.10-9,388.17

Finding the Fourth Proportional to 16,192.80, 22,346.10 and 9,388.17

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Solution

The fourth proportional to 16,192.80, 22,346.10 and 9,388.17 is: 12,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,192.80 : 22,346.10 = 9,388.17 : x
  2. Step 2: Convert to fraction form
    16,192.80/22,346.10 = 9,388.17/x
  3. Step 3: Cross multiply
    16,192.80x = 22,346.10 × 9,388.17
  4. Step 4: Simplify right side
    16,192.80x = 209,788,985.64
  5. Step 5: Solve for x
    x = 209,788,985.64/16,192.80
  6. Step 6: Final answer
    x = 12,955.70

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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.