Home / 42,445.99-63,667.84-14,365.86

Finding the Fourth Proportional to 42,445.99, 63,667.84 and 14,365.86

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Solution

The fourth proportional to 42,445.99, 63,667.84 and 14,365.86 is: 21,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,445.99 : 63,667.84 = 14,365.86 : x
  2. Step 2: Convert to fraction form
    42,445.99/63,667.84 = 14,365.86/x
  3. Step 3: Cross multiply
    42,445.99x = 63,667.84 × 14,365.86
  4. Step 4: Simplify right side
    42,445.99x = 914,643,275.94
  5. Step 5: Solve for x
    x = 914,643,275.94/42,445.99
  6. Step 6: Final answer
    x = 21,548.40

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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.