Home / 39,425.68-59,138.58-13,132.48

Finding the Fourth Proportional to 39,425.68, 59,138.58 and 13,132.48

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Solution

The fourth proportional to 39,425.68, 59,138.58 and 13,132.48 is: 19,698.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,425.68 : 59,138.58 = 13,132.48 : x
  2. Step 2: Convert to fraction form
    39,425.68/59,138.58 = 13,132.48/x
  3. Step 3: Cross multiply
    39,425.68x = 59,138.58 × 13,132.48
  4. Step 4: Simplify right side
    39,425.68x = 776,636,219.08
  5. Step 5: Solve for x
    x = 776,636,219.08/39,425.68
  6. Step 6: Final answer
    x = 19,698.74

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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.