Home / 19,650.71-27,117.12-10,698.24

Finding the Fourth Proportional to 19,650.71, 27,117.12 and 10,698.24

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Solution

The fourth proportional to 19,650.71, 27,117.12 and 10,698.24 is: 14,763.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,650.71 : 27,117.12 = 10,698.24 : x
  2. Step 2: Convert to fraction form
    19,650.71/27,117.12 = 10,698.24/x
  3. Step 3: Cross multiply
    19,650.71x = 27,117.12 × 10,698.24
  4. Step 4: Simplify right side
    19,650.71x = 290,105,386.97
  5. Step 5: Solve for x
    x = 290,105,386.97/19,650.71
  6. Step 6: Final answer
    x = 14,763.10

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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.