Home / 26,315.28-39,488.48-9,686.99

Finding the Fourth Proportional to 26,315.28, 39,488.48 and 9,686.99

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Solution

The fourth proportional to 26,315.28, 39,488.48 and 9,686.99 is: 14,536.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,315.28 : 39,488.48 = 9,686.99 : x
  2. Step 2: Convert to fraction form
    26,315.28/39,488.48 = 9,686.99/x
  3. Step 3: Cross multiply
    26,315.28x = 39,488.48 × 9,686.99
  4. Step 4: Simplify right side
    26,315.28x = 382,524,510.88
  5. Step 5: Solve for x
    x = 382,524,510.88/26,315.28
  6. Step 6: Final answer
    x = 14,536.21

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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.