Home / 19,622.79-27,079.31-10,670.30

Finding the Fourth Proportional to 19,622.79, 27,079.31 and 10,670.30

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Solution

The fourth proportional to 19,622.79, 27,079.31 and 10,670.30 is: 14,724.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.79 : 27,079.31 = 10,670.30 : x
  2. Step 2: Convert to fraction form
    19,622.79/27,079.31 = 10,670.30/x
  3. Step 3: Cross multiply
    19,622.79x = 27,079.31 × 10,670.30
  4. Step 4: Simplify right side
    19,622.79x = 288,944,226.10
  5. Step 5: Solve for x
    x = 288,944,226.10/19,622.79
  6. Step 6: Final answer
    x = 14,724.93

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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.