Home / 25,165.99-34,715.20-15,950.69

Finding the Fourth Proportional to 25,165.99, 34,715.20 and 15,950.69

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Solution

The fourth proportional to 25,165.99, 34,715.20 and 15,950.69 is: 22,003.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,165.99 : 34,715.20 = 15,950.69 : x
  2. Step 2: Convert to fraction form
    25,165.99/34,715.20 = 15,950.69/x
  3. Step 3: Cross multiply
    25,165.99x = 34,715.20 × 15,950.69
  4. Step 4: Simplify right side
    25,165.99x = 553,731,393.49
  5. Step 5: Solve for x
    x = 553,731,393.49/25,165.99
  6. Step 6: Final answer
    x = 22,003.16

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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.