Home / 22,984.60-31,718.78-12,913.04

Finding the Fourth Proportional to 22,984.60, 31,718.78 and 12,913.04

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Solution

The fourth proportional to 22,984.60, 31,718.78 and 12,913.04 is: 17,820.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,984.60 : 31,718.78 = 12,913.04 : x
  2. Step 2: Convert to fraction form
    22,984.60/31,718.78 = 12,913.04/x
  3. Step 3: Cross multiply
    22,984.60x = 31,718.78 × 12,913.04
  4. Step 4: Simplify right side
    22,984.60x = 409,585,874.89
  5. Step 5: Solve for x
    x = 409,585,874.89/22,984.60
  6. Step 6: Final answer
    x = 17,820.01

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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.