Home / 25,617.46-38,426.16-8,089.06

Finding the Fourth Proportional to 25,617.46, 38,426.16 and 8,089.06

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Solution

The fourth proportional to 25,617.46, 38,426.16 and 8,089.06 is: 12,133.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,617.46 : 38,426.16 = 8,089.06 : x
  2. Step 2: Convert to fraction form
    25,617.46/38,426.16 = 8,089.06/x
  3. Step 3: Cross multiply
    25,617.46x = 38,426.16 × 8,089.06
  4. Step 4: Simplify right side
    25,617.46x = 310,831,513.81
  5. Step 5: Solve for x
    x = 310,831,513.81/25,617.46
  6. Step 6: Final answer
    x = 12,133.58

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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.