Home / 17,815.80-26,723.70-14,705.40

Finding the Fourth Proportional to 17,815.80, 26,723.70 and 14,705.40

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Solution

The fourth proportional to 17,815.80, 26,723.70 and 14,705.40 is: 22,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,815.80 : 26,723.70 = 14,705.40 : x
  2. Step 2: Convert to fraction form
    17,815.80/26,723.70 = 14,705.40/x
  3. Step 3: Cross multiply
    17,815.80x = 26,723.70 × 14,705.40
  4. Step 4: Simplify right side
    17,815.80x = 392,982,697.98
  5. Step 5: Solve for x
    x = 392,982,697.98/17,815.80
  6. Step 6: Final answer
    x = 22,058.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.