Home / 35,449.18-53,174.80-13,258.32

Finding the Fourth Proportional to 35,449.18, 53,174.80 and 13,258.32

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Solution

The fourth proportional to 35,449.18, 53,174.80 and 13,258.32 is: 19,887.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,449.18 : 53,174.80 = 13,258.32 : x
  2. Step 2: Convert to fraction form
    35,449.18/53,174.80 = 13,258.32/x
  3. Step 3: Cross multiply
    35,449.18x = 53,174.80 × 13,258.32
  4. Step 4: Simplify right side
    35,449.18x = 705,008,481.19
  5. Step 5: Solve for x
    x = 705,008,481.19/35,449.18
  6. Step 6: Final answer
    x = 19,887.87

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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.