Home / 19,327.68-26,671.28-10,828.76

Finding the Fourth Proportional to 19,327.68, 26,671.28 and 10,828.76

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Solution

The fourth proportional to 19,327.68, 26,671.28 and 10,828.76 is: 14,943.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327.68 : 26,671.28 = 10,828.76 : x
  2. Step 2: Convert to fraction form
    19,327.68/26,671.28 = 10,828.76/x
  3. Step 3: Cross multiply
    19,327.68x = 26,671.28 × 10,828.76
  4. Step 4: Simplify right side
    19,327.68x = 288,816,702.51
  5. Step 5: Solve for x
    x = 288,816,702.51/19,327.68
  6. Step 6: Final answer
    x = 14,943.16

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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.