Home / 27,038.59-40,534.39-12,991.57

Finding the Fourth Proportional to 27,038.59, 40,534.39 and 12,991.57

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Solution

The fourth proportional to 27,038.59, 40,534.39 and 12,991.57 is: 19,476.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,038.59 : 40,534.39 = 12,991.57 : x
  2. Step 2: Convert to fraction form
    27,038.59/40,534.39 = 12,991.57/x
  3. Step 3: Cross multiply
    27,038.59x = 40,534.39 × 12,991.57
  4. Step 4: Simplify right side
    27,038.59x = 526,605,280.00
  5. Step 5: Solve for x
    x = 526,605,280.00/27,038.59
  6. Step 6: Final answer
    x = 19,476.06

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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.