Home / 29,320.02-40,461.44-15,891.26

Finding the Fourth Proportional to 29,320.02, 40,461.44 and 15,891.26

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Solution

The fourth proportional to 29,320.02, 40,461.44 and 15,891.26 is: 21,929.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,320.02 : 40,461.44 = 15,891.26 : x
  2. Step 2: Convert to fraction form
    29,320.02/40,461.44 = 15,891.26/x
  3. Step 3: Cross multiply
    29,320.02x = 40,461.44 × 15,891.26
  4. Step 4: Simplify right side
    29,320.02x = 642,982,981.25
  5. Step 5: Solve for x
    x = 642,982,981.25/29,320.02
  6. Step 6: Final answer
    x = 21,929.83

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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.