Home / 12,358.38-18,556.08-10,697.64

Finding the Fourth Proportional to 12,358.38, 18,556.08 and 10,697.64

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Solution

The fourth proportional to 12,358.38, 18,556.08 and 10,697.64 is: 16,062.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358.38 : 18,556.08 = 10,697.64 : x
  2. Step 2: Convert to fraction form
    12,358.38/18,556.08 = 10,697.64/x
  3. Step 3: Cross multiply
    12,358.38x = 18,556.08 × 10,697.64
  4. Step 4: Simplify right side
    12,358.38x = 198,506,263.65
  5. Step 5: Solve for x
    x = 198,506,263.65/12,358.38
  6. Step 6: Final answer
    x = 16,062.48

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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.