Home / 27,036.99-40,580.40-13,719.36

Finding the Fourth Proportional to 27,036.99, 40,580.40 and 13,719.36

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Solution

The fourth proportional to 27,036.99, 40,580.40 and 13,719.36 is: 20,591.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,036.99 : 40,580.40 = 13,719.36 : x
  2. Step 2: Convert to fraction form
    27,036.99/40,580.40 = 13,719.36/x
  3. Step 3: Cross multiply
    27,036.99x = 40,580.40 × 13,719.36
  4. Step 4: Simplify right side
    27,036.99x = 556,737,116.54
  5. Step 5: Solve for x
    x = 556,737,116.54/27,036.99
  6. Step 6: Final answer
    x = 20,591.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.