Home / 13,816.80-19,079.82-10,061.64

Finding the Fourth Proportional to 13,816.80, 19,079.82 and 10,061.64

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Solution

The fourth proportional to 13,816.80, 19,079.82 and 10,061.64 is: 13,894.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.80 : 19,079.82 = 10,061.64 : x
  2. Step 2: Convert to fraction form
    13,816.80/19,079.82 = 10,061.64/x
  3. Step 3: Cross multiply
    13,816.80x = 19,079.82 × 10,061.64
  4. Step 4: Simplify right side
    13,816.80x = 191,974,280.10
  5. Step 5: Solve for x
    x = 191,974,280.10/13,816.80
  6. Step 6: Final answer
    x = 13,894.26

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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.