Home / 19,330.80-26,679.04-10,836.16

Finding the Fourth Proportional to 19,330.80, 26,679.04 and 10,836.16

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Solution

The fourth proportional to 19,330.80, 26,679.04 and 10,836.16 is: 14,955.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330.80 : 26,679.04 = 10,836.16 : x
  2. Step 2: Convert to fraction form
    19,330.80/26,679.04 = 10,836.16/x
  3. Step 3: Cross multiply
    19,330.80x = 26,679.04 × 10,836.16
  4. Step 4: Simplify right side
    19,330.80x = 289,098,346.09
  5. Step 5: Solve for x
    x = 289,098,346.09/19,330.80
  6. Step 6: Final answer
    x = 14,955.32

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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.