Home / 22,614.74-31,211.93-13,663.53

Finding the Fourth Proportional to 22,614.74, 31,211.93 and 13,663.53

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Solution

The fourth proportional to 22,614.74, 31,211.93 and 13,663.53 is: 18,857.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,614.74 : 31,211.93 = 13,663.53 : x
  2. Step 2: Convert to fraction form
    22,614.74/31,211.93 = 13,663.53/x
  3. Step 3: Cross multiply
    22,614.74x = 31,211.93 × 13,663.53
  4. Step 4: Simplify right side
    22,614.74x = 426,465,176.07
  5. Step 5: Solve for x
    x = 426,465,176.07/22,614.74
  6. Step 6: Final answer
    x = 18,857.84

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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.