Home / 35,475.23-53,221.20-10,515.49

Finding the Fourth Proportional to 35,475.23, 53,221.20 and 10,515.49

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Solution

The fourth proportional to 35,475.23, 53,221.20 and 10,515.49 is: 15,775.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,475.23 : 53,221.20 = 10,515.49 : x
  2. Step 2: Convert to fraction form
    35,475.23/53,221.20 = 10,515.49/x
  3. Step 3: Cross multiply
    35,475.23x = 53,221.20 × 10,515.49
  4. Step 4: Simplify right side
    35,475.23x = 559,646,996.39
  5. Step 5: Solve for x
    x = 559,646,996.39/35,475.23
  6. Step 6: Final answer
    x = 15,775.71

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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.