Home / 25,905.55-38,848.80-9,261.07

Finding the Fourth Proportional to 25,905.55, 38,848.80 and 9,261.07

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Solution

The fourth proportional to 25,905.55, 38,848.80 and 9,261.07 is: 13,888.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,905.55 : 38,848.80 = 9,261.07 : x
  2. Step 2: Convert to fraction form
    25,905.55/38,848.80 = 9,261.07/x
  3. Step 3: Cross multiply
    25,905.55x = 38,848.80 × 9,261.07
  4. Step 4: Simplify right side
    25,905.55x = 359,781,456.22
  5. Step 5: Solve for x
    x = 359,781,456.22/25,905.55
  6. Step 6: Final answer
    x = 13,888.20

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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.