Home / 22,948.36-31,687.41-18,700.06

Finding the Fourth Proportional to 22,948.36, 31,687.41 and 18,700.06

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Solution

The fourth proportional to 22,948.36, 31,687.41 and 18,700.06 is: 25,821.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,948.36 : 31,687.41 = 18,700.06 : x
  2. Step 2: Convert to fraction form
    22,948.36/31,687.41 = 18,700.06/x
  3. Step 3: Cross multiply
    22,948.36x = 31,687.41 × 18,700.06
  4. Step 4: Simplify right side
    22,948.36x = 592,556,468.24
  5. Step 5: Solve for x
    x = 592,556,468.24/22,948.36
  6. Step 6: Final answer
    x = 25,821.30

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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.