Home / 25,953.39-38,787.85-18,948.15

Finding the Fourth Proportional to 25,953.39, 38,787.85 and 18,948.15

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Solution

The fourth proportional to 25,953.39, 38,787.85 and 18,948.15 is: 28,318.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,953.39 : 38,787.85 = 18,948.15 : x
  2. Step 2: Convert to fraction form
    25,953.39/38,787.85 = 18,948.15/x
  3. Step 3: Cross multiply
    25,953.39x = 38,787.85 × 18,948.15
  4. Step 4: Simplify right side
    25,953.39x = 734,958,047.35
  5. Step 5: Solve for x
    x = 734,958,047.35/25,953.39
  6. Step 6: Final answer
    x = 28,318.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.