Home / 23,681.12-32,678.18-13,609.58

Finding the Fourth Proportional to 23,681.12, 32,678.18 and 13,609.58

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Solution

The fourth proportional to 23,681.12, 32,678.18 and 13,609.58 is: 18,780.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,681.12 : 32,678.18 = 13,609.58 : x
  2. Step 2: Convert to fraction form
    23,681.12/32,678.18 = 13,609.58/x
  3. Step 3: Cross multiply
    23,681.12x = 32,678.18 × 13,609.58
  4. Step 4: Simplify right side
    23,681.12x = 444,736,304.96
  5. Step 5: Solve for x
    x = 444,736,304.96/23,681.12
  6. Step 6: Final answer
    x = 18,780.21

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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.