Home / 18,731.04-25,848.72-10,347.52

Finding the Fourth Proportional to 18,731.04, 25,848.72 and 10,347.52

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Solution

The fourth proportional to 18,731.04, 25,848.72 and 10,347.52 is: 14,279.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,731.04 : 25,848.72 = 10,347.52 : x
  2. Step 2: Convert to fraction form
    18,731.04/25,848.72 = 10,347.52/x
  3. Step 3: Cross multiply
    18,731.04x = 25,848.72 × 10,347.52
  4. Step 4: Simplify right side
    18,731.04x = 267,470,147.17
  5. Step 5: Solve for x
    x = 267,470,147.17/18,731.04
  6. Step 6: Final answer
    x = 14,279.51

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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.