Home / 19,158.30-26,436.36-10,659.06

Finding the Fourth Proportional to 19,158.30, 26,436.36 and 10,659.06

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Solution

The fourth proportional to 19,158.30, 26,436.36 and 10,659.06 is: 14,708.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158.30 : 26,436.36 = 10,659.06 : x
  2. Step 2: Convert to fraction form
    19,158.30/26,436.36 = 10,659.06/x
  3. Step 3: Cross multiply
    19,158.30x = 26,436.36 × 10,659.06
  4. Step 4: Simplify right side
    19,158.30x = 281,786,747.42
  5. Step 5: Solve for x
    x = 281,786,747.42/19,158.30
  6. Step 6: Final answer
    x = 14,708.34

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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.