Home / 42,437.64-63,656.64-14,357.92

Finding the Fourth Proportional to 42,437.64, 63,656.64 and 14,357.92

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Solution

The fourth proportional to 42,437.64, 63,656.64 and 14,357.92 is: 21,536.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,437.64 : 63,656.64 = 14,357.92 : x
  2. Step 2: Convert to fraction form
    42,437.64/63,656.64 = 14,357.92/x
  3. Step 3: Cross multiply
    42,437.64x = 63,656.64 × 14,357.92
  4. Step 4: Simplify right side
    42,437.64x = 913,976,944.59
  5. Step 5: Solve for x
    x = 913,976,944.59/42,437.64
  6. Step 6: Final answer
    x = 21,536.94

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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.