Home / 14,373.10-19,828.36-10,387.90

Finding the Fourth Proportional to 14,373.10, 19,828.36 and 10,387.90

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Solution

The fourth proportional to 14,373.10, 19,828.36 and 10,387.90 is: 14,330.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,373.10 : 19,828.36 = 10,387.90 : x
  2. Step 2: Convert to fraction form
    14,373.10/19,828.36 = 10,387.90/x
  3. Step 3: Cross multiply
    14,373.10x = 19,828.36 × 10,387.90
  4. Step 4: Simplify right side
    14,373.10x = 205,975,020.84
  5. Step 5: Solve for x
    x = 205,975,020.84/14,373.10
  6. Step 6: Final answer
    x = 14,330.59

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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.