Home / 19,400.51-26,773.66-10,902.20

Finding the Fourth Proportional to 19,400.51, 26,773.66 and 10,902.20

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Solution

The fourth proportional to 19,400.51, 26,773.66 and 10,902.20 is: 15,045.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400.51 : 26,773.66 = 10,902.20 : x
  2. Step 2: Convert to fraction form
    19,400.51/26,773.66 = 10,902.20/x
  3. Step 3: Cross multiply
    19,400.51x = 26,773.66 × 10,902.20
  4. Step 4: Simplify right side
    19,400.51x = 291,891,706.47
  5. Step 5: Solve for x
    x = 291,891,706.47/19,400.51
  6. Step 6: Final answer
    x = 15,045.57

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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.