Home / 14,739.60-22,123.80-7,352.40

Finding the Fourth Proportional to 14,739.60, 22,123.80 and 7,352.40

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Solution

The fourth proportional to 14,739.60, 22,123.80 and 7,352.40 is: 11,035.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739.60 : 22,123.80 = 7,352.40 : x
  2. Step 2: Convert to fraction form
    14,739.60/22,123.80 = 7,352.40/x
  3. Step 3: Cross multiply
    14,739.60x = 22,123.80 × 7,352.40
  4. Step 4: Simplify right side
    14,739.60x = 162,663,027.12
  5. Step 5: Solve for x
    x = 162,663,027.12/14,739.60
  6. Step 6: Final answer
    x = 11,035.78

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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.