Home / 14,363.68-19,820.28-8,075.92

Finding the Fourth Proportional to 14,363.68, 19,820.28 and 8,075.92

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Solution

The fourth proportional to 14,363.68, 19,820.28 and 8,075.92 is: 11,143.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,363.68 : 19,820.28 = 8,075.92 : x
  2. Step 2: Convert to fraction form
    14,363.68/19,820.28 = 8,075.92/x
  3. Step 3: Cross multiply
    14,363.68x = 19,820.28 × 8,075.92
  4. Step 4: Simplify right side
    14,363.68x = 160,066,995.66
  5. Step 5: Solve for x
    x = 160,066,995.66/14,363.68
  6. Step 6: Final answer
    x = 11,143.87

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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.