Home / 18,590.11-25,650.74-10,630.64

Finding the Fourth Proportional to 18,590.11, 25,650.74 and 10,630.64

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Solution

The fourth proportional to 18,590.11, 25,650.74 and 10,630.64 is: 14,668.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.11 : 25,650.74 = 10,630.64 : x
  2. Step 2: Convert to fraction form
    18,590.11/25,650.74 = 10,630.64/x
  3. Step 3: Cross multiply
    18,590.11x = 25,650.74 × 10,630.64
  4. Step 4: Simplify right side
    18,590.11x = 272,683,873.38
  5. Step 5: Solve for x
    x = 272,683,873.38/18,590.11
  6. Step 6: Final answer
    x = 14,668.22

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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.