Home / 25,281.38-34,890.48-13,953.33

Finding the Fourth Proportional to 25,281.38, 34,890.48 and 13,953.33

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Solution

The fourth proportional to 25,281.38, 34,890.48 and 13,953.33 is: 19,256.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,281.38 : 34,890.48 = 13,953.33 : x
  2. Step 2: Convert to fraction form
    25,281.38/34,890.48 = 13,953.33/x
  3. Step 3: Cross multiply
    25,281.38x = 34,890.48 × 13,953.33
  4. Step 4: Simplify right side
    25,281.38x = 486,838,381.30
  5. Step 5: Solve for x
    x = 486,838,381.30/25,281.38
  6. Step 6: Final answer
    x = 19,256.79

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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.