Home / 14,232.20-21,348.30-10,315.40

Finding the Fourth Proportional to 14,232.20, 21,348.30 and 10,315.40

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Solution

The fourth proportional to 14,232.20, 21,348.30 and 10,315.40 is: 15,473.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,232.20 : 21,348.30 = 10,315.40 : x
  2. Step 2: Convert to fraction form
    14,232.20/21,348.30 = 10,315.40/x
  3. Step 3: Cross multiply
    14,232.20x = 21,348.30 × 10,315.40
  4. Step 4: Simplify right side
    14,232.20x = 220,216,253.82
  5. Step 5: Solve for x
    x = 220,216,253.82/14,232.20
  6. Step 6: Final answer
    x = 15,473.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.