Home / 19,159.20-28,569.60-16,828.74

Finding the Fourth Proportional to 19,159.20, 28,569.60 and 16,828.74

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Solution

The fourth proportional to 19,159.20, 28,569.60 and 16,828.74 is: 25,094.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159.20 : 28,569.60 = 16,828.74 : x
  2. Step 2: Convert to fraction form
    19,159.20/28,569.60 = 16,828.74/x
  3. Step 3: Cross multiply
    19,159.20x = 28,569.60 × 16,828.74
  4. Step 4: Simplify right side
    19,159.20x = 480,790,370.30
  5. Step 5: Solve for x
    x = 480,790,370.30/19,159.20
  6. Step 6: Final answer
    x = 25,094.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.