Home / 22,403.18-30,916.50-12,332.63

Finding the Fourth Proportional to 22,403.18, 30,916.50 and 12,332.63

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Solution

The fourth proportional to 22,403.18, 30,916.50 and 12,332.63 is: 17,019.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,403.18 : 30,916.50 = 12,332.63 : x
  2. Step 2: Convert to fraction form
    22,403.18/30,916.50 = 12,332.63/x
  3. Step 3: Cross multiply
    22,403.18x = 30,916.50 × 12,332.63
  4. Step 4: Simplify right side
    22,403.18x = 381,281,755.40
  5. Step 5: Solve for x
    x = 381,281,755.40/22,403.18
  6. Step 6: Final answer
    x = 17,019.09

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Double scale
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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.