Home / 26,569.60-36,670.08-20,185.72

Finding the Fourth Proportional to 26,569.60, 36,670.08 and 20,185.72

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Solution

The fourth proportional to 26,569.60, 36,670.08 and 20,185.72 is: 27,859.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,569.60 : 36,670.08 = 20,185.72 : x
  2. Step 2: Convert to fraction form
    26,569.60/36,670.08 = 20,185.72/x
  3. Step 3: Cross multiply
    26,569.60x = 36,670.08 × 20,185.72
  4. Step 4: Simplify right side
    26,569.60x = 740,211,967.26
  5. Step 5: Solve for x
    x = 740,211,967.26/26,569.60
  6. Step 6: Final answer
    x = 27,859.36

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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.