Home / 22,492.24-31,010.40-18,444.20

Finding the Fourth Proportional to 22,492.24, 31,010.40 and 18,444.20

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Solution

The fourth proportional to 22,492.24, 31,010.40 and 18,444.20 is: 25,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,492.24 : 31,010.40 = 18,444.20 : x
  2. Step 2: Convert to fraction form
    22,492.24/31,010.40 = 18,444.20/x
  3. Step 3: Cross multiply
    22,492.24x = 31,010.40 × 18,444.20
  4. Step 4: Simplify right side
    22,492.24x = 571,962,019.68
  5. Step 5: Solve for x
    x = 571,962,019.68/22,492.24
  6. Step 6: Final answer
    x = 25,429.30

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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.