Home / 15,259.60-21,058.74-8,545.48

Finding the Fourth Proportional to 15,259.60, 21,058.74 and 8,545.48

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Solution

The fourth proportional to 15,259.60, 21,058.74 and 8,545.48 is: 11,793.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,259.60 : 21,058.74 = 8,545.48 : x
  2. Step 2: Convert to fraction form
    15,259.60/21,058.74 = 8,545.48/x
  3. Step 3: Cross multiply
    15,259.60x = 21,058.74 × 8,545.48
  4. Step 4: Simplify right side
    15,259.60x = 179,957,041.50
  5. Step 5: Solve for x
    x = 179,957,041.50/15,259.60
  6. Step 6: Final answer
    x = 11,793.04

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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.