Home / 13,556.46-18,708.25-7,588.08

Finding the Fourth Proportional to 13,556.46, 18,708.25 and 7,588.08

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Solution

The fourth proportional to 13,556.46, 18,708.25 and 7,588.08 is: 10,471.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.46 : 18,708.25 = 7,588.08 : x
  2. Step 2: Convert to fraction form
    13,556.46/18,708.25 = 7,588.08/x
  3. Step 3: Cross multiply
    13,556.46x = 18,708.25 × 7,588.08
  4. Step 4: Simplify right side
    13,556.46x = 141,959,697.66
  5. Step 5: Solve for x
    x = 141,959,697.66/13,556.46
  6. Step 6: Final answer
    x = 10,471.74

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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.