Home / 16,356.78-22,572.30-9,284.22

Finding the Fourth Proportional to 16,356.78, 22,572.30 and 9,284.22

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Solution

The fourth proportional to 16,356.78, 22,572.30 and 9,284.22 is: 12,812.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,356.78 : 22,572.30 = 9,284.22 : x
  2. Step 2: Convert to fraction form
    16,356.78/22,572.30 = 9,284.22/x
  3. Step 3: Cross multiply
    16,356.78x = 22,572.30 × 9,284.22
  4. Step 4: Simplify right side
    16,356.78x = 209,566,199.11
  5. Step 5: Solve for x
    x = 209,566,199.11/16,356.78
  6. Step 6: Final answer
    x = 12,812.19

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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.