Home / 19,947.32-27,521.58-12,877.76

Finding the Fourth Proportional to 19,947.32, 27,521.58 and 12,877.76

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Solution

The fourth proportional to 19,947.32, 27,521.58 and 12,877.76 is: 17,767.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947.32 : 27,521.58 = 12,877.76 : x
  2. Step 2: Convert to fraction form
    19,947.32/27,521.58 = 12,877.76/x
  3. Step 3: Cross multiply
    19,947.32x = 27,521.58 × 12,877.76
  4. Step 4: Simplify right side
    19,947.32x = 354,416,302.06
  5. Step 5: Solve for x
    x = 354,416,302.06/19,947.32
  6. Step 6: Final answer
    x = 17,767.62

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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.