Home / 21,034.28-29,026.26-11,602.60

Finding the Fourth Proportional to 21,034.28, 29,026.26 and 11,602.60

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Solution

The fourth proportional to 21,034.28, 29,026.26 and 11,602.60 is: 16,011.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,034.28 : 29,026.26 = 11,602.60 : x
  2. Step 2: Convert to fraction form
    21,034.28/29,026.26 = 11,602.60/x
  3. Step 3: Cross multiply
    21,034.28x = 29,026.26 × 11,602.60
  4. Step 4: Simplify right side
    21,034.28x = 336,780,084.28
  5. Step 5: Solve for x
    x = 336,780,084.28/21,034.28
  6. Step 6: Final answer
    x = 16,011.01

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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.