Home / 13,587.52-20,357.44-9,671.52

Finding the Fourth Proportional to 13,587.52, 20,357.44 and 9,671.52

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Solution

The fourth proportional to 13,587.52, 20,357.44 and 9,671.52 is: 14,490.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587.52 : 20,357.44 = 9,671.52 : x
  2. Step 2: Convert to fraction form
    13,587.52/20,357.44 = 9,671.52/x
  3. Step 3: Cross multiply
    13,587.52x = 20,357.44 × 9,671.52
  4. Step 4: Simplify right side
    13,587.52x = 196,887,388.11
  5. Step 5: Solve for x
    x = 196,887,388.11/13,587.52
  6. Step 6: Final answer
    x = 14,490.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.