Home / 26,615.08-36,728.16-14,678.20

Finding the Fourth Proportional to 26,615.08, 36,728.16 and 14,678.20

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Solution

The fourth proportional to 26,615.08, 36,728.16 and 14,678.20 is: 20,255.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,615.08 : 36,728.16 = 14,678.20 : x
  2. Step 2: Convert to fraction form
    26,615.08/36,728.16 = 14,678.20/x
  3. Step 3: Cross multiply
    26,615.08x = 36,728.16 × 14,678.20
  4. Step 4: Simplify right side
    26,615.08x = 539,103,278.11
  5. Step 5: Solve for x
    x = 539,103,278.11/26,615.08
  6. Step 6: Final answer
    x = 20,255.56

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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.