Home / 19,818.72-29,574.95-17,609.85

Finding the Fourth Proportional to 19,818.72, 29,574.95 and 17,609.85

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Solution

The fourth proportional to 19,818.72, 29,574.95 and 17,609.85 is: 26,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.72 : 29,574.95 = 17,609.85 : x
  2. Step 2: Convert to fraction form
    19,818.72/29,574.95 = 17,609.85/x
  3. Step 3: Cross multiply
    19,818.72x = 29,574.95 × 17,609.85
  4. Step 4: Simplify right side
    19,818.72x = 520,810,345.21
  5. Step 5: Solve for x
    x = 520,810,345.21/19,818.72
  6. Step 6: Final answer
    x = 26,278.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.