Home / 14,400.65-19,882.09-13,701.49

Finding the Fourth Proportional to 14,400.65, 19,882.09 and 13,701.49

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Solution

The fourth proportional to 14,400.65, 19,882.09 and 13,701.49 is: 18,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,400.65 : 19,882.09 = 13,701.49 : x
  2. Step 2: Convert to fraction form
    14,400.65/19,882.09 = 13,701.49/x
  3. Step 3: Cross multiply
    14,400.65x = 19,882.09 × 13,701.49
  4. Step 4: Simplify right side
    14,400.65x = 272,414,224.74
  5. Step 5: Solve for x
    x = 272,414,224.74/14,400.65
  6. Step 6: Final answer
    x = 18,916.80

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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.