Home / 39,640.35-59,460.12-13,344.93

Finding the Fourth Proportional to 39,640.35, 59,460.12 and 13,344.93

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Solution

The fourth proportional to 39,640.35, 59,460.12 and 13,344.93 is: 20,017.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,640.35 : 59,460.12 = 13,344.93 : x
  2. Step 2: Convert to fraction form
    39,640.35/59,460.12 = 13,344.93/x
  3. Step 3: Cross multiply
    39,640.35x = 59,460.12 × 13,344.93
  4. Step 4: Simplify right side
    39,640.35x = 793,491,139.19
  5. Step 5: Solve for x
    x = 793,491,139.19/39,640.35
  6. Step 6: Final answer
    x = 20,017.26

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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.