Home / 25,173.12-34,738-13,842.52

Finding the Fourth Proportional to 25,173.12, 34,738 and 13,842.52

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Solution

The fourth proportional to 25,173.12, 34,738 and 13,842.52 is: 19,102.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,173.12 : 34,738 = 13,842.52 : x
  2. Step 2: Convert to fraction form
    25,173.12/34,738 = 13,842.52/x
  3. Step 3: Cross multiply
    25,173.12x = 34,738 × 13,842.52
  4. Step 4: Simplify right side
    25,173.12x = 480,861,459.76
  5. Step 5: Solve for x
    x = 480,861,459.76/25,173.12
  6. Step 6: Final answer
    x = 19,102.18

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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.