Home / 25,667.15-35,420.72-14,489.15

Finding the Fourth Proportional to 25,667.15, 35,420.72 and 14,489.15

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Solution

The fourth proportional to 25,667.15, 35,420.72 and 14,489.15 is: 19,995.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,667.15 : 35,420.72 = 14,489.15 : x
  2. Step 2: Convert to fraction form
    25,667.15/35,420.72 = 14,489.15/x
  3. Step 3: Cross multiply
    25,667.15x = 35,420.72 × 14,489.15
  4. Step 4: Simplify right side
    25,667.15x = 513,215,875.64
  5. Step 5: Solve for x
    x = 513,215,875.64/25,667.15
  6. Step 6: Final answer
    x = 19,995.05

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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.