Home / 25,145.48-34,699.08-13,812.76

Finding the Fourth Proportional to 25,145.48, 34,699.08 and 13,812.76

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Solution

The fourth proportional to 25,145.48, 34,699.08 and 13,812.76 is: 19,060.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,145.48 : 34,699.08 = 13,812.76 : x
  2. Step 2: Convert to fraction form
    25,145.48/34,699.08 = 13,812.76/x
  3. Step 3: Cross multiply
    25,145.48x = 34,699.08 × 13,812.76
  4. Step 4: Simplify right side
    25,145.48x = 479,290,064.26
  5. Step 5: Solve for x
    x = 479,290,064.26/25,145.48
  6. Step 6: Final answer
    x = 19,060.68

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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.