Home / 43,728.80-65,595.24-14,148.95

Finding the Fourth Proportional to 43,728.80, 65,595.24 and 14,148.95

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Solution

The fourth proportional to 43,728.80, 65,595.24 and 14,148.95 is: 21,224.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,728.80 : 65,595.24 = 14,148.95 : x
  2. Step 2: Convert to fraction form
    43,728.80/65,595.24 = 14,148.95/x
  3. Step 3: Cross multiply
    43,728.80x = 65,595.24 × 14,148.95
  4. Step 4: Simplify right side
    43,728.80x = 928,103,443.02
  5. Step 5: Solve for x
    x = 928,103,443.02/43,728.80
  6. Step 6: Final answer
    x = 21,224.08

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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.