Home / 38,754.99-58,110.63-13,442.64

Finding the Fourth Proportional to 38,754.99, 58,110.63 and 13,442.64

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Solution

The fourth proportional to 38,754.99, 58,110.63 and 13,442.64 is: 20,156.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,754.99 : 58,110.63 = 13,442.64 : x
  2. Step 2: Convert to fraction form
    38,754.99/58,110.63 = 13,442.64/x
  3. Step 3: Cross multiply
    38,754.99x = 58,110.63 × 13,442.64
  4. Step 4: Simplify right side
    38,754.99x = 781,160,279.26
  5. Step 5: Solve for x
    x = 781,160,279.26/38,754.99
  6. Step 6: Final answer
    x = 20,156.38

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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.