Home / 14,211.48-19,610.97-7,838.13

Finding the Fourth Proportional to 14,211.48, 19,610.97 and 7,838.13

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Solution

The fourth proportional to 14,211.48, 19,610.97 and 7,838.13 is: 10,816.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.48 : 19,610.97 = 7,838.13 : x
  2. Step 2: Convert to fraction form
    14,211.48/19,610.97 = 7,838.13/x
  3. Step 3: Cross multiply
    14,211.48x = 19,610.97 × 7,838.13
  4. Step 4: Simplify right side
    14,211.48x = 153,713,332.29
  5. Step 5: Solve for x
    x = 153,713,332.29/14,211.48
  6. Step 6: Final answer
    x = 10,816.14

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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.