Home / 22,632.22-31,232.65-13,685.68

Finding the Fourth Proportional to 22,632.22, 31,232.65 and 13,685.68

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Solution

The fourth proportional to 22,632.22, 31,232.65 and 13,685.68 is: 18,886.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,632.22 : 31,232.65 = 13,685.68 : x
  2. Step 2: Convert to fraction form
    22,632.22/31,232.65 = 13,685.68/x
  3. Step 3: Cross multiply
    22,632.22x = 31,232.65 × 13,685.68
  4. Step 4: Simplify right side
    22,632.22x = 427,440,097.32
  5. Step 5: Solve for x
    x = 427,440,097.32/22,632.22
  6. Step 6: Final answer
    x = 18,886.35

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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.