Home / 22,053.50-30,438.65-13,562.93

Finding the Fourth Proportional to 22,053.50, 30,438.65 and 13,562.93

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Solution

The fourth proportional to 22,053.50, 30,438.65 and 13,562.93 is: 18,719.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,053.50 : 30,438.65 = 13,562.93 : x
  2. Step 2: Convert to fraction form
    22,053.50/30,438.65 = 13,562.93/x
  3. Step 3: Cross multiply
    22,053.50x = 30,438.65 × 13,562.93
  4. Step 4: Simplify right side
    22,053.50x = 412,837,279.24
  5. Step 5: Solve for x
    x = 412,837,279.24/22,053.50
  6. Step 6: Final answer
    x = 18,719.81

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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.