Home / 15,248.36-21,042.60-8,533.91

Finding the Fourth Proportional to 15,248.36, 21,042.60 and 8,533.91

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Solution

The fourth proportional to 15,248.36, 21,042.60 and 8,533.91 is: 11,776.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,248.36 : 21,042.60 = 8,533.91 : x
  2. Step 2: Convert to fraction form
    15,248.36/21,042.60 = 8,533.91/x
  3. Step 3: Cross multiply
    15,248.36x = 21,042.60 × 8,533.91
  4. Step 4: Simplify right side
    15,248.36x = 179,575,654.57
  5. Step 5: Solve for x
    x = 179,575,654.57/15,248.36
  6. Step 6: Final answer
    x = 11,776.72

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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.