Home / 12,701.45-19,048.53-4,381.13

Finding the Fourth Proportional to 12,701.45, 19,048.53 and 4,381.13

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Solution

The fourth proportional to 12,701.45, 19,048.53 and 4,381.13 is: 6,570.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,701.45 : 19,048.53 = 4,381.13 : x
  2. Step 2: Convert to fraction form
    12,701.45/19,048.53 = 4,381.13/x
  3. Step 3: Cross multiply
    12,701.45x = 19,048.53 × 4,381.13
  4. Step 4: Simplify right side
    12,701.45x = 83,454,086.24
  5. Step 5: Solve for x
    x = 83,454,086.24/12,701.45
  6. Step 6: Final answer
    x = 6,570.44

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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.