Home / 22,636.77-31,238.10-12,565.23

Finding the Fourth Proportional to 22,636.77, 31,238.10 and 12,565.23

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Solution

The fourth proportional to 22,636.77, 31,238.10 and 12,565.23 is: 17,339.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,636.77 : 31,238.10 = 12,565.23 : x
  2. Step 2: Convert to fraction form
    22,636.77/31,238.10 = 12,565.23/x
  3. Step 3: Cross multiply
    22,636.77x = 31,238.10 × 12,565.23
  4. Step 4: Simplify right side
    22,636.77x = 392,513,911.26
  5. Step 5: Solve for x
    x = 392,513,911.26/22,636.77
  6. Step 6: Final answer
    x = 17,339.66

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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.