Home / 25,206.90-34,784.15-13,875.96

Finding the Fourth Proportional to 25,206.90, 34,784.15 and 13,875.96

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Solution

The fourth proportional to 25,206.90, 34,784.15 and 13,875.96 is: 19,148.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,206.90 : 34,784.15 = 13,875.96 : x
  2. Step 2: Convert to fraction form
    25,206.90/34,784.15 = 13,875.96/x
  3. Step 3: Cross multiply
    25,206.90x = 34,784.15 × 13,875.96
  4. Step 4: Simplify right side
    25,206.90x = 482,663,404.65
  5. Step 5: Solve for x
    x = 482,663,404.65/25,206.90
  6. Step 6: Final answer
    x = 19,148.07

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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.