Home / 25,667.08-35,420.30-15,054.70

Finding the Fourth Proportional to 25,667.08, 35,420.30 and 15,054.70

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Solution

The fourth proportional to 25,667.08, 35,420.30 and 15,054.70 is: 20,775.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,667.08 : 35,420.30 = 15,054.70 : x
  2. Step 2: Convert to fraction form
    25,667.08/35,420.30 = 15,054.70/x
  3. Step 3: Cross multiply
    25,667.08x = 35,420.30 × 15,054.70
  4. Step 4: Simplify right side
    25,667.08x = 533,241,990.41
  5. Step 5: Solve for x
    x = 533,241,990.41/25,667.08
  6. Step 6: Final answer
    x = 20,775.33

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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.