Home / 14,001.53-19,322.10-7,713.90

Finding the Fourth Proportional to 14,001.53, 19,322.10 and 7,713.90

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Solution

The fourth proportional to 14,001.53, 19,322.10 and 7,713.90 is: 10,645.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.53 : 19,322.10 = 7,713.90 : x
  2. Step 2: Convert to fraction form
    14,001.53/19,322.10 = 7,713.90/x
  3. Step 3: Cross multiply
    14,001.53x = 19,322.10 × 7,713.90
  4. Step 4: Simplify right side
    14,001.53x = 149,048,747.19
  5. Step 5: Solve for x
    x = 149,048,747.19/14,001.53
  6. Step 6: Final answer
    x = 10,645.18

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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.