Home / 26,366.16-36,368.51-18,405.48

Finding the Fourth Proportional to 26,366.16, 36,368.51 and 18,405.48

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Solution

The fourth proportional to 26,366.16, 36,368.51 and 18,405.48 is: 25,387.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,366.16 : 36,368.51 = 18,405.48 : x
  2. Step 2: Convert to fraction form
    26,366.16/36,368.51 = 18,405.48/x
  3. Step 3: Cross multiply
    26,366.16x = 36,368.51 × 18,405.48
  4. Step 4: Simplify right side
    26,366.16x = 669,379,791.41
  5. Step 5: Solve for x
    x = 669,379,791.41/26,366.16
  6. Step 6: Final answer
    x = 25,387.84

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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.