Home / 39,575.88-59,364.58-12,921.82

Finding the Fourth Proportional to 39,575.88, 59,364.58 and 12,921.82

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Solution

The fourth proportional to 39,575.88, 59,364.58 and 12,921.82 is: 19,382.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,575.88 : 59,364.58 = 12,921.82 : x
  2. Step 2: Convert to fraction form
    39,575.88/59,364.58 = 12,921.82/x
  3. Step 3: Cross multiply
    39,575.88x = 59,364.58 × 12,921.82
  4. Step 4: Simplify right side
    39,575.88x = 767,098,417.14
  5. Step 5: Solve for x
    x = 767,098,417.14/39,575.88
  6. Step 6: Final answer
    x = 19,382.98

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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.