Home / 26,186.71-36,134.95-15,574.30

Finding the Fourth Proportional to 26,186.71, 36,134.95 and 15,574.30

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Solution

The fourth proportional to 26,186.71, 36,134.95 and 15,574.30 is: 21,490.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,186.71 : 36,134.95 = 15,574.30 : x
  2. Step 2: Convert to fraction form
    26,186.71/36,134.95 = 15,574.30/x
  3. Step 3: Cross multiply
    26,186.71x = 36,134.95 × 15,574.30
  4. Step 4: Simplify right side
    26,186.71x = 562,776,551.79
  5. Step 5: Solve for x
    x = 562,776,551.79/26,186.71
  6. Step 6: Final answer
    x = 21,490.92

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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.