Home / 22,734.64-31,365.48-13,775.68

Finding the Fourth Proportional to 22,734.64, 31,365.48 and 13,775.68

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Solution

The fourth proportional to 22,734.64, 31,365.48 and 13,775.68 is: 19,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,734.64 : 31,365.48 = 13,775.68 : x
  2. Step 2: Convert to fraction form
    22,734.64/31,365.48 = 13,775.68/x
  3. Step 3: Cross multiply
    22,734.64x = 31,365.48 × 13,775.68
  4. Step 4: Simplify right side
    22,734.64x = 432,080,815.53
  5. Step 5: Solve for x
    x = 432,080,815.53/22,734.64
  6. Step 6: Final answer
    x = 19,005.40

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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.