Home / 14,031.18-19,363.10-7,743.56

Finding the Fourth Proportional to 14,031.18, 19,363.10 and 7,743.56

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Solution

The fourth proportional to 14,031.18, 19,363.10 and 7,743.56 is: 10,686.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.18 : 19,363.10 = 7,743.56 : x
  2. Step 2: Convert to fraction form
    14,031.18/19,363.10 = 7,743.56/x
  3. Step 3: Cross multiply
    14,031.18x = 19,363.10 × 7,743.56
  4. Step 4: Simplify right side
    14,031.18x = 149,939,191.10
  5. Step 5: Solve for x
    x = 149,939,191.10/14,031.18
  6. Step 6: Final answer
    x = 10,686.14

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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.