Home / 14,031.49-19,370.46-8,728.02

Finding the Fourth Proportional to 14,031.49, 19,370.46 and 8,728.02

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Solution

The fourth proportional to 14,031.49, 19,370.46 and 8,728.02 is: 12,049.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.49 : 19,370.46 = 8,728.02 : x
  2. Step 2: Convert to fraction form
    14,031.49/19,370.46 = 8,728.02/x
  3. Step 3: Cross multiply
    14,031.49x = 19,370.46 × 8,728.02
  4. Step 4: Simplify right side
    14,031.49x = 169,065,762.29
  5. Step 5: Solve for x
    x = 169,065,762.29/14,031.49
  6. Step 6: Final answer
    x = 12,049.02

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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.