Home / 26,611.17-36,719.40-15,281.16

Finding the Fourth Proportional to 26,611.17, 36,719.40 and 15,281.16

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Solution

The fourth proportional to 26,611.17, 36,719.40 and 15,281.16 is: 21,085.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,611.17 : 36,719.40 = 15,281.16 : x
  2. Step 2: Convert to fraction form
    26,611.17/36,719.40 = 15,281.16/x
  3. Step 3: Cross multiply
    26,611.17x = 36,719.40 × 15,281.16
  4. Step 4: Simplify right side
    26,611.17x = 561,115,026.50
  5. Step 5: Solve for x
    x = 561,115,026.50/26,611.17
  6. Step 6: Final answer
    x = 21,085.70

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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.