Home / 26,120.51-36,047.04-15,366.17

Finding the Fourth Proportional to 26,120.51, 36,047.04 and 15,366.17

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Solution

The fourth proportional to 26,120.51, 36,047.04 and 15,366.17 is: 21,205.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,120.51 : 36,047.04 = 15,366.17 : x
  2. Step 2: Convert to fraction form
    26,120.51/36,047.04 = 15,366.17/x
  3. Step 3: Cross multiply
    26,120.51x = 36,047.04 × 15,366.17
  4. Step 4: Simplify right side
    26,120.51x = 553,904,944.64
  5. Step 5: Solve for x
    x = 553,904,944.64/26,120.51
  6. Step 6: Final answer
    x = 21,205.75

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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.