Home / 26,580.16-39,877.08-7,859.44

Finding the Fourth Proportional to 26,580.16, 39,877.08 and 7,859.44

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Solution

The fourth proportional to 26,580.16, 39,877.08 and 7,859.44 is: 11,791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,580.16 : 39,877.08 = 7,859.44 : x
  2. Step 2: Convert to fraction form
    26,580.16/39,877.08 = 7,859.44/x
  3. Step 3: Cross multiply
    26,580.16x = 39,877.08 × 7,859.44
  4. Step 4: Simplify right side
    26,580.16x = 313,411,538.01
  5. Step 5: Solve for x
    x = 313,411,538.01/26,580.16
  6. Step 6: Final answer
    x = 11,791.18

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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.