Home / 23,387.87-32,276.75-13,317.19

Finding the Fourth Proportional to 23,387.87, 32,276.75 and 13,317.19

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Solution

The fourth proportional to 23,387.87, 32,276.75 and 13,317.19 is: 18,378.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,387.87 : 32,276.75 = 13,317.19 : x
  2. Step 2: Convert to fraction form
    23,387.87/32,276.75 = 13,317.19/x
  3. Step 3: Cross multiply
    23,387.87x = 32,276.75 × 13,317.19
  4. Step 4: Simplify right side
    23,387.87x = 429,835,612.33
  5. Step 5: Solve for x
    x = 429,835,612.33/23,387.87
  6. Step 6: Final answer
    x = 18,378.57

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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.