Home / 25,699.24-38,548.86-6,981.04

Finding the Fourth Proportional to 25,699.24, 38,548.86 and 6,981.04

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Solution

The fourth proportional to 25,699.24, 38,548.86 and 6,981.04 is: 10,471.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,699.24 : 38,548.86 = 6,981.04 : x
  2. Step 2: Convert to fraction form
    25,699.24/38,548.86 = 6,981.04/x
  3. Step 3: Cross multiply
    25,699.24x = 38,548.86 × 6,981.04
  4. Step 4: Simplify right side
    25,699.24x = 269,111,133.61
  5. Step 5: Solve for x
    x = 269,111,133.61/25,699.24
  6. Step 6: Final answer
    x = 10,471.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.