Home / 22,747.26-31,391.58-12,538.74

Finding the Fourth Proportional to 22,747.26, 31,391.58 and 12,538.74

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Solution

The fourth proportional to 22,747.26, 31,391.58 and 12,538.74 is: 17,303.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,747.26 : 31,391.58 = 12,538.74 : x
  2. Step 2: Convert to fraction form
    22,747.26/31,391.58 = 12,538.74/x
  3. Step 3: Cross multiply
    22,747.26x = 31,391.58 × 12,538.74
  4. Step 4: Simplify right side
    22,747.26x = 393,610,859.81
  5. Step 5: Solve for x
    x = 393,610,859.81/22,747.26
  6. Step 6: Final answer
    x = 17,303.66

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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.