Home / 43,807.68-65,711.52-14,228.51

Finding the Fourth Proportional to 43,807.68, 65,711.52 and 14,228.51

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Solution

The fourth proportional to 43,807.68, 65,711.52 and 14,228.51 is: 21,342.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,807.68 : 65,711.52 = 14,228.51 : x
  2. Step 2: Convert to fraction form
    43,807.68/65,711.52 = 14,228.51/x
  3. Step 3: Cross multiply
    43,807.68x = 65,711.52 × 14,228.51
  4. Step 4: Simplify right side
    43,807.68x = 934,976,690.88
  5. Step 5: Solve for x
    x = 934,976,690.88/43,807.68
  6. Step 6: Final answer
    x = 21,342.76

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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.