Home / 22,543.95-31,120.61-13,472.51

Finding the Fourth Proportional to 22,543.95, 31,120.61 and 13,472.51

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Solution

The fourth proportional to 22,543.95, 31,120.61 and 13,472.51 is: 18,598.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,543.95 : 31,120.61 = 13,472.51 : x
  2. Step 2: Convert to fraction form
    22,543.95/31,120.61 = 13,472.51/x
  3. Step 3: Cross multiply
    22,543.95x = 31,120.61 × 13,472.51
  4. Step 4: Simplify right side
    22,543.95x = 419,272,795.19
  5. Step 5: Solve for x
    x = 419,272,795.19/22,543.95
  6. Step 6: Final answer
    x = 18,598.02

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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.