Home / 35,515.12-53,278.46-13,330.24

Finding the Fourth Proportional to 35,515.12, 53,278.46 and 13,330.24

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Solution

The fourth proportional to 35,515.12, 53,278.46 and 13,330.24 is: 19,997.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,515.12 : 53,278.46 = 13,330.24 : x
  2. Step 2: Convert to fraction form
    35,515.12/53,278.46 = 13,330.24/x
  3. Step 3: Cross multiply
    35,515.12x = 53,278.46 × 13,330.24
  4. Step 4: Simplify right side
    35,515.12x = 710,214,658.63
  5. Step 5: Solve for x
    x = 710,214,658.63/35,515.12
  6. Step 6: Final answer
    x = 19,997.53

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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.