Home / 22,637.15-31,237.79-12,565.11

Finding the Fourth Proportional to 22,637.15, 31,237.79 and 12,565.11

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Solution

The fourth proportional to 22,637.15, 31,237.79 and 12,565.11 is: 17,339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,637.15 : 31,237.79 = 12,565.11 : x
  2. Step 2: Convert to fraction form
    22,637.15/31,237.79 = 12,565.11/x
  3. Step 3: Cross multiply
    22,637.15x = 31,237.79 × 12,565.11
  4. Step 4: Simplify right side
    22,637.15x = 392,506,267.51
  5. Step 5: Solve for x
    x = 392,506,267.51/22,637.15
  6. Step 6: Final answer
    x = 17,339.03

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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.