Home / 39,507.16-59,248.38-13,205.75

Finding the Fourth Proportional to 39,507.16, 59,248.38 and 13,205.75

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Solution

The fourth proportional to 39,507.16, 59,248.38 and 13,205.75 is: 19,804.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,507.16 : 59,248.38 = 13,205.75 : x
  2. Step 2: Convert to fraction form
    39,507.16/59,248.38 = 13,205.75/x
  3. Step 3: Cross multiply
    39,507.16x = 59,248.38 × 13,205.75
  4. Step 4: Simplify right side
    39,507.16x = 782,418,997.94
  5. Step 5: Solve for x
    x = 782,418,997.94/39,507.16
  6. Step 6: Final answer
    x = 19,804.49

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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.