Home / 25,281.48-38,069.27-18,753.96

Finding the Fourth Proportional to 25,281.48, 38,069.27 and 18,753.96

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Solution

The fourth proportional to 25,281.48, 38,069.27 and 18,753.96 is: 28,240.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,281.48 : 38,069.27 = 18,753.96 : x
  2. Step 2: Convert to fraction form
    25,281.48/38,069.27 = 18,753.96/x
  3. Step 3: Cross multiply
    25,281.48x = 38,069.27 × 18,753.96
  4. Step 4: Simplify right side
    25,281.48x = 713,949,566.81
  5. Step 5: Solve for x
    x = 713,949,566.81/25,281.48
  6. Step 6: Final answer
    x = 28,240.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.