Home / 26,549.11-36,631.88-15,364.63

Finding the Fourth Proportional to 26,549.11, 36,631.88 and 15,364.63

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Solution

The fourth proportional to 26,549.11, 36,631.88 and 15,364.63 is: 21,199.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,549.11 : 36,631.88 = 15,364.63 : x
  2. Step 2: Convert to fraction form
    26,549.11/36,631.88 = 15,364.63/x
  3. Step 3: Cross multiply
    26,549.11x = 36,631.88 × 15,364.63
  4. Step 4: Simplify right side
    26,549.11x = 562,835,099.25
  5. Step 5: Solve for x
    x = 562,835,099.25/26,549.11
  6. Step 6: Final answer
    x = 21,199.78

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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.