Home / 25,053.90-34,574.31-13,875.90

Finding the Fourth Proportional to 25,053.90, 34,574.31 and 13,875.90

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Solution

The fourth proportional to 25,053.90, 34,574.31 and 13,875.90 is: 19,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,053.90 : 34,574.31 = 13,875.90 : x
  2. Step 2: Convert to fraction form
    25,053.90/34,574.31 = 13,875.90/x
  3. Step 3: Cross multiply
    25,053.90x = 34,574.31 × 13,875.90
  4. Step 4: Simplify right side
    25,053.90x = 479,749,668.13
  5. Step 5: Solve for x
    x = 479,749,668.13/25,053.90
  6. Step 6: Final answer
    x = 19,148.70

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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.