Home / 14,695.20-22,010.40-10,288.80

Finding the Fourth Proportional to 14,695.20, 22,010.40 and 10,288.80

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Solution

The fourth proportional to 14,695.20, 22,010.40 and 10,288.80 is: 15,410.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,695.20 : 22,010.40 = 10,288.80 : x
  2. Step 2: Convert to fraction form
    14,695.20/22,010.40 = 10,288.80/x
  3. Step 3: Cross multiply
    14,695.20x = 22,010.40 × 10,288.80
  4. Step 4: Simplify right side
    14,695.20x = 226,460,603.52
  5. Step 5: Solve for x
    x = 226,460,603.52/14,695.20
  6. Step 6: Final answer
    x = 15,410.52

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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.