Home / 18,283.10-25,233.18-10,521.75

Finding the Fourth Proportional to 18,283.10, 25,233.18 and 10,521.75

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Solution

The fourth proportional to 18,283.10, 25,233.18 and 10,521.75 is: 14,521.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,283.10 : 25,233.18 = 10,521.75 : x
  2. Step 2: Convert to fraction form
    18,283.10/25,233.18 = 10,521.75/x
  3. Step 3: Cross multiply
    18,283.10x = 25,233.18 × 10,521.75
  4. Step 4: Simplify right side
    18,283.10x = 265,497,211.67
  5. Step 5: Solve for x
    x = 265,497,211.67/18,283.10
  6. Step 6: Final answer
    x = 14,521.46

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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.