Home / 13,357.76-20,029.26-10,602.08

Finding the Fourth Proportional to 13,357.76, 20,029.26 and 10,602.08

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Solution

The fourth proportional to 13,357.76, 20,029.26 and 10,602.08 is: 15,897.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.76 : 20,029.26 = 10,602.08 : x
  2. Step 2: Convert to fraction form
    13,357.76/20,029.26 = 10,602.08/x
  3. Step 3: Cross multiply
    13,357.76x = 20,029.26 × 10,602.08
  4. Step 4: Simplify right side
    13,357.76x = 212,351,816.86
  5. Step 5: Solve for x
    x = 212,351,816.86/13,357.76
  6. Step 6: Final answer
    x = 15,897.26

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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.