Home / 14,124.66-19,491.13-8,075.52

Finding the Fourth Proportional to 14,124.66, 19,491.13 and 8,075.52

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Solution

The fourth proportional to 14,124.66, 19,491.13 and 8,075.52 is: 11,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.66 : 19,491.13 = 8,075.52 : x
  2. Step 2: Convert to fraction form
    14,124.66/19,491.13 = 8,075.52/x
  3. Step 3: Cross multiply
    14,124.66x = 19,491.13 × 8,075.52
  4. Step 4: Simplify right side
    14,124.66x = 157,401,010.14
  5. Step 5: Solve for x
    x = 157,401,010.14/14,124.66
  6. Step 6: Final answer
    x = 11,143.70

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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.