Home / 25,148.33-34,705.27-13,818.53

Finding the Fourth Proportional to 25,148.33, 34,705.27 and 13,818.53

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Solution

The fourth proportional to 25,148.33, 34,705.27 and 13,818.53 is: 19,069.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,148.33 : 34,705.27 = 13,818.53 : x
  2. Step 2: Convert to fraction form
    25,148.33/34,705.27 = 13,818.53/x
  3. Step 3: Cross multiply
    25,148.33x = 34,705.27 × 13,818.53
  4. Step 4: Simplify right side
    25,148.33x = 479,575,814.65
  5. Step 5: Solve for x
    x = 479,575,814.65/25,148.33
  6. Step 6: Final answer
    x = 19,069.89

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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.