Home / 23,345.20-32,219.13-13,276.77

Finding the Fourth Proportional to 23,345.20, 32,219.13 and 13,276.77

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Solution

The fourth proportional to 23,345.20, 32,219.13 and 13,276.77 is: 18,323.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,345.20 : 32,219.13 = 13,276.77 : x
  2. Step 2: Convert to fraction form
    23,345.20/32,219.13 = 13,276.77/x
  3. Step 3: Cross multiply
    23,345.20x = 32,219.13 × 13,276.77
  4. Step 4: Simplify right side
    23,345.20x = 427,765,978.61
  5. Step 5: Solve for x
    x = 427,765,978.61/23,345.20
  6. Step 6: Final answer
    x = 18,323.51

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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.