Home / 25,730.31-35,505.37-14,399.22

Finding the Fourth Proportional to 25,730.31, 35,505.37 and 14,399.22

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Solution

The fourth proportional to 25,730.31, 35,505.37 and 14,399.22 is: 19,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,730.31 : 35,505.37 = 14,399.22 : x
  2. Step 2: Convert to fraction form
    25,730.31/35,505.37 = 14,399.22/x
  3. Step 3: Cross multiply
    25,730.31x = 35,505.37 × 14,399.22
  4. Step 4: Simplify right side
    25,730.31x = 511,249,633.81
  5. Step 5: Solve for x
    x = 511,249,633.81/25,730.31
  6. Step 6: Final answer
    x = 19,869.55

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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.