Home / 19,580.52-27,007.74-12,503.76

Finding the Fourth Proportional to 19,580.52, 27,007.74 and 12,503.76

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Solution

The fourth proportional to 19,580.52, 27,007.74 and 12,503.76 is: 17,246.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.52 : 27,007.74 = 12,503.76 : x
  2. Step 2: Convert to fraction form
    19,580.52/27,007.74 = 12,503.76/x
  3. Step 3: Cross multiply
    19,580.52x = 27,007.74 × 12,503.76
  4. Step 4: Simplify right side
    19,580.52x = 337,698,299.10
  5. Step 5: Solve for x
    x = 337,698,299.10/19,580.52
  6. Step 6: Final answer
    x = 17,246.65

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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.