Home / 26,505.56-36,575.40-15,602.54

Finding the Fourth Proportional to 26,505.56, 36,575.40 and 15,602.54

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Solution

The fourth proportional to 26,505.56, 36,575.40 and 15,602.54 is: 21,530.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,505.56 : 36,575.40 = 15,602.54 : x
  2. Step 2: Convert to fraction form
    26,505.56/36,575.40 = 15,602.54/x
  3. Step 3: Cross multiply
    26,505.56x = 36,575.40 × 15,602.54
  4. Step 4: Simplify right side
    26,505.56x = 570,669,141.52
  5. Step 5: Solve for x
    x = 570,669,141.52/26,505.56
  6. Step 6: Final answer
    x = 21,530.17

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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.