Home / 23,291.39-32,142.09-12,681.02

Finding the Fourth Proportional to 23,291.39, 32,142.09 and 12,681.02

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Solution

The fourth proportional to 23,291.39, 32,142.09 and 12,681.02 is: 17,499.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,291.39 : 32,142.09 = 12,681.02 : x
  2. Step 2: Convert to fraction form
    23,291.39/32,142.09 = 12,681.02/x
  3. Step 3: Cross multiply
    23,291.39x = 32,142.09 × 12,681.02
  4. Step 4: Simplify right side
    23,291.39x = 407,594,325.42
  5. Step 5: Solve for x
    x = 407,594,325.42/23,291.39
  6. Step 6: Final answer
    x = 17,499.79

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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.