Home / 29,265.03-40,385.45-15,835.99

Finding the Fourth Proportional to 29,265.03, 40,385.45 and 15,835.99

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Solution

The fourth proportional to 29,265.03, 40,385.45 and 15,835.99 is: 21,853.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,265.03 : 40,385.45 = 15,835.99 : x
  2. Step 2: Convert to fraction form
    29,265.03/40,385.45 = 15,835.99/x
  3. Step 3: Cross multiply
    29,265.03x = 40,385.45 × 15,835.99
  4. Step 4: Simplify right side
    29,265.03x = 639,543,582.35
  5. Step 5: Solve for x
    x = 639,543,582.35/29,265.03
  6. Step 6: Final answer
    x = 21,853.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.