Home / 23,468.11-32,386.80-12,857.74

Finding the Fourth Proportional to 23,468.11, 32,386.80 and 12,857.74

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Solution

The fourth proportional to 23,468.11, 32,386.80 and 12,857.74 is: 17,744.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,468.11 : 32,386.80 = 12,857.74 : x
  2. Step 2: Convert to fraction form
    23,468.11/32,386.80 = 12,857.74/x
  3. Step 3: Cross multiply
    23,468.11x = 32,386.80 × 12,857.74
  4. Step 4: Simplify right side
    23,468.11x = 416,421,053.83
  5. Step 5: Solve for x
    x = 416,421,053.83/23,468.11
  6. Step 6: Final answer
    x = 17,744.12

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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.