Home / 19,707.35-27,196.74-11,210.70

Finding the Fourth Proportional to 19,707.35, 27,196.74 and 11,210.70

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Solution

The fourth proportional to 19,707.35, 27,196.74 and 11,210.70 is: 15,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.35 : 27,196.74 = 11,210.70 : x
  2. Step 2: Convert to fraction form
    19,707.35/27,196.74 = 11,210.70/x
  3. Step 3: Cross multiply
    19,707.35x = 27,196.74 × 11,210.70
  4. Step 4: Simplify right side
    19,707.35x = 304,894,357.13
  5. Step 5: Solve for x
    x = 304,894,357.13/19,707.35
  6. Step 6: Final answer
    x = 15,471.10

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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.