Home / 22,553.86-31,124.10-13,483.40

Finding the Fourth Proportional to 22,553.86, 31,124.10 and 13,483.40

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Solution

The fourth proportional to 22,553.86, 31,124.10 and 13,483.40 is: 18,606.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,553.86 : 31,124.10 = 13,483.40 : x
  2. Step 2: Convert to fraction form
    22,553.86/31,124.10 = 13,483.40/x
  3. Step 3: Cross multiply
    22,553.86x = 31,124.10 × 13,483.40
  4. Step 4: Simplify right side
    22,553.86x = 419,658,689.94
  5. Step 5: Solve for x
    x = 419,658,689.94/22,553.86
  6. Step 6: Final answer
    x = 18,606.96

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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.