Home / 26,590.91-39,888.48-8,820.93

Finding the Fourth Proportional to 26,590.91, 39,888.48 and 8,820.93

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Solution

The fourth proportional to 26,590.91, 39,888.48 and 8,820.93 is: 13,232.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,590.91 : 39,888.48 = 8,820.93 : x
  2. Step 2: Convert to fraction form
    26,590.91/39,888.48 = 8,820.93/x
  3. Step 3: Cross multiply
    26,590.91x = 39,888.48 × 8,820.93
  4. Step 4: Simplify right side
    26,590.91x = 351,853,489.89
  5. Step 5: Solve for x
    x = 351,853,489.89/26,590.91
  6. Step 6: Final answer
    x = 13,232.10

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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.