Home / 25,501.31-35,208.75-15,955.58

Finding the Fourth Proportional to 25,501.31, 35,208.75 and 15,955.58

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Solution

The fourth proportional to 25,501.31, 35,208.75 and 15,955.58 is: 22,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,501.31 : 35,208.75 = 15,955.58 : x
  2. Step 2: Convert to fraction form
    25,501.31/35,208.75 = 15,955.58/x
  3. Step 3: Cross multiply
    25,501.31x = 35,208.75 × 15,955.58
  4. Step 4: Simplify right side
    25,501.31x = 561,776,027.33
  5. Step 5: Solve for x
    x = 561,776,027.33/25,501.31
  6. Step 6: Final answer
    x = 22,029.30

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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.