Home / 22,903.65-31,610.91-13,704.68

Finding the Fourth Proportional to 22,903.65, 31,610.91 and 13,704.68

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Solution

The fourth proportional to 22,903.65, 31,610.91 and 13,704.68 is: 18,914.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,903.65 : 31,610.91 = 13,704.68 : x
  2. Step 2: Convert to fraction form
    22,903.65/31,610.91 = 13,704.68/x
  3. Step 3: Cross multiply
    22,903.65x = 31,610.91 × 13,704.68
  4. Step 4: Simplify right side
    22,903.65x = 433,217,248.00
  5. Step 5: Solve for x
    x = 433,217,248.00/22,903.65
  6. Step 6: Final answer
    x = 18,914.77

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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.