Home / 19,170.66-26,455.31-10,672.65

Finding the Fourth Proportional to 19,170.66, 26,455.31 and 10,672.65

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Solution

The fourth proportional to 19,170.66, 26,455.31 and 10,672.65 is: 14,728.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.66 : 26,455.31 = 10,672.65 : x
  2. Step 2: Convert to fraction form
    19,170.66/26,455.31 = 10,672.65/x
  3. Step 3: Cross multiply
    19,170.66x = 26,455.31 × 10,672.65
  4. Step 4: Simplify right side
    19,170.66x = 282,348,210.91
  5. Step 5: Solve for x
    x = 282,348,210.91/19,170.66
  6. Step 6: Final answer
    x = 14,728.14

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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.