Home / 19,622.79-27,079.74-10,670.27

Finding the Fourth Proportional to 19,622.79, 27,079.74 and 10,670.27

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Solution

The fourth proportional to 19,622.79, 27,079.74 and 10,670.27 is: 14,725.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.79 : 27,079.74 = 10,670.27 : x
  2. Step 2: Convert to fraction form
    19,622.79/27,079.74 = 10,670.27/x
  3. Step 3: Cross multiply
    19,622.79x = 27,079.74 × 10,670.27
  4. Step 4: Simplify right side
    19,622.79x = 288,948,001.93
  5. Step 5: Solve for x
    x = 288,948,001.93/19,622.79
  6. Step 6: Final answer
    x = 14,725.12

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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.