Home / 15,057.83-20,803.43-10,367.12

Finding the Fourth Proportional to 15,057.83, 20,803.43 and 10,367.12

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Solution

The fourth proportional to 15,057.83, 20,803.43 and 10,367.12 is: 14,322.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057.83 : 20,803.43 = 10,367.12 : x
  2. Step 2: Convert to fraction form
    15,057.83/20,803.43 = 10,367.12/x
  3. Step 3: Cross multiply
    15,057.83x = 20,803.43 × 10,367.12
  4. Step 4: Simplify right side
    15,057.83x = 215,671,655.22
  5. Step 5: Solve for x
    x = 215,671,655.22/15,057.83
  6. Step 6: Final answer
    x = 14,322.89

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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.