Home / 13,713.40-20,565.98-4,353.04

Finding the Fourth Proportional to 13,713.40, 20,565.98 and 4,353.04

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Solution

The fourth proportional to 13,713.40, 20,565.98 and 4,353.04 is: 6,528.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713.40 : 20,565.98 = 4,353.04 : x
  2. Step 2: Convert to fraction form
    13,713.40/20,565.98 = 4,353.04/x
  3. Step 3: Cross multiply
    13,713.40x = 20,565.98 × 4,353.04
  4. Step 4: Simplify right side
    13,713.40x = 89,524,533.58
  5. Step 5: Solve for x
    x = 89,524,533.58/13,713.40
  6. Step 6: Final answer
    x = 6,528.25

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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.