Home / 14,130.41-19,499.60-7,842.38

Finding the Fourth Proportional to 14,130.41, 19,499.60 and 7,842.38

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Solution

The fourth proportional to 14,130.41, 19,499.60 and 7,842.38 is: 10,822.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.41 : 19,499.60 = 7,842.38 : x
  2. Step 2: Convert to fraction form
    14,130.41/19,499.60 = 7,842.38/x
  3. Step 3: Cross multiply
    14,130.41x = 19,499.60 × 7,842.38
  4. Step 4: Simplify right side
    14,130.41x = 152,923,195.16
  5. Step 5: Solve for x
    x = 152,923,195.16/14,130.41
  6. Step 6: Final answer
    x = 10,822.28

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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.