Home / 22,891.02-31,595.72-21,497.01

Finding the Fourth Proportional to 22,891.02, 31,595.72 and 21,497.01

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Solution

The fourth proportional to 22,891.02, 31,595.72 and 21,497.01 is: 29,671.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,891.02 : 31,595.72 = 21,497.01 : x
  2. Step 2: Convert to fraction form
    22,891.02/31,595.72 = 21,497.01/x
  3. Step 3: Cross multiply
    22,891.02x = 31,595.72 × 21,497.01
  4. Step 4: Simplify right side
    22,891.02x = 679,213,401.31
  5. Step 5: Solve for x
    x = 679,213,401.31/22,891.02
  6. Step 6: Final answer
    x = 29,671.61

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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.