Home / 39,145.52-58,718.28-11,443.52

Finding the Fourth Proportional to 39,145.52, 58,718.28 and 11,443.52

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Solution

The fourth proportional to 39,145.52, 58,718.28 and 11,443.52 is: 17,165.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,145.52 : 58,718.28 = 11,443.52 : x
  2. Step 2: Convert to fraction form
    39,145.52/58,718.28 = 11,443.52/x
  3. Step 3: Cross multiply
    39,145.52x = 58,718.28 × 11,443.52
  4. Step 4: Simplify right side
    39,145.52x = 671,943,811.55
  5. Step 5: Solve for x
    x = 671,943,811.55/39,145.52
  6. Step 6: Final answer
    x = 17,165.28

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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.