Home / 18,545.36-25,590.10-10,587.08

Finding the Fourth Proportional to 18,545.36, 25,590.10 and 10,587.08

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Solution

The fourth proportional to 18,545.36, 25,590.10 and 10,587.08 is: 14,608.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,545.36 : 25,590.10 = 10,587.08 : x
  2. Step 2: Convert to fraction form
    18,545.36/25,590.10 = 10,587.08/x
  3. Step 3: Cross multiply
    18,545.36x = 25,590.10 × 10,587.08
  4. Step 4: Simplify right side
    18,545.36x = 270,924,435.91
  5. Step 5: Solve for x
    x = 270,924,435.91/18,545.36
  6. Step 6: Final answer
    x = 14,608.75

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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.