Home / 23,710.20-35,565.30-13,320.60

Finding the Fourth Proportional to 23,710.20, 35,565.30 and 13,320.60

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Solution

The fourth proportional to 23,710.20, 35,565.30 and 13,320.60 is: 19,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,710.20 : 35,565.30 = 13,320.60 : x
  2. Step 2: Convert to fraction form
    23,710.20/35,565.30 = 13,320.60/x
  3. Step 3: Cross multiply
    23,710.20x = 35,565.30 × 13,320.60
  4. Step 4: Simplify right side
    23,710.20x = 473,751,135.18
  5. Step 5: Solve for x
    x = 473,751,135.18/23,710.20
  6. Step 6: Final answer
    x = 19,980.90

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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.