Home / 26,602.13-36,718.01-15,709.82

Finding the Fourth Proportional to 26,602.13, 36,718.01 and 15,709.82

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Solution

The fourth proportional to 26,602.13, 36,718.01 and 15,709.82 is: 21,683.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,602.13 : 36,718.01 = 15,709.82 : x
  2. Step 2: Convert to fraction form
    26,602.13/36,718.01 = 15,709.82/x
  3. Step 3: Cross multiply
    26,602.13x = 36,718.01 × 15,709.82
  4. Step 4: Simplify right side
    26,602.13x = 576,833,065.72
  5. Step 5: Solve for x
    x = 576,833,065.72/26,602.13
  6. Step 6: Final answer
    x = 21,683.72

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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.