Home / 22,636.79-31,237.32-12,565.24

Finding the Fourth Proportional to 22,636.79, 31,237.32 and 12,565.24

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Solution

The fourth proportional to 22,636.79, 31,237.32 and 12,565.24 is: 17,339.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,636.79 : 31,237.32 = 12,565.24 : x
  2. Step 2: Convert to fraction form
    22,636.79/31,237.32 = 12,565.24/x
  3. Step 3: Cross multiply
    22,636.79x = 31,237.32 × 12,565.24
  4. Step 4: Simplify right side
    22,636.79x = 392,504,422.76
  5. Step 5: Solve for x
    x = 392,504,422.76/22,636.79
  6. Step 6: Final answer
    x = 17,339.23

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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.