Home / 45,013.20-67,527.06-13,848.42

Finding the Fourth Proportional to 45,013.20, 67,527.06 and 13,848.42

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Solution

The fourth proportional to 45,013.20, 67,527.06 and 13,848.42 is: 20,774.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,013.20 : 67,527.06 = 13,848.42 : x
  2. Step 2: Convert to fraction form
    45,013.20/67,527.06 = 13,848.42/x
  3. Step 3: Cross multiply
    45,013.20x = 67,527.06 × 13,848.42
  4. Step 4: Simplify right side
    45,013.20x = 935,143,088.25
  5. Step 5: Solve for x
    x = 935,143,088.25/45,013.20
  6. Step 6: Final answer
    x = 20,774.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.