Home / 22,954.41-31,685.45-13,530.87

Finding the Fourth Proportional to 22,954.41, 31,685.45 and 13,530.87

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Solution

The fourth proportional to 22,954.41, 31,685.45 and 13,530.87 is: 18,677.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,954.41 : 31,685.45 = 13,530.87 : x
  2. Step 2: Convert to fraction form
    22,954.41/31,685.45 = 13,530.87/x
  3. Step 3: Cross multiply
    22,954.41x = 31,685.45 × 13,530.87
  4. Step 4: Simplify right side
    22,954.41x = 428,731,637.19
  5. Step 5: Solve for x
    x = 428,731,637.19/22,954.41
  6. Step 6: Final answer
    x = 18,677.53

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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.