Home / 19,902.51-27,287.46-19,547.12

Finding the Fourth Proportional to 19,902.51, 27,287.46 and 19,547.12

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Solution

The fourth proportional to 19,902.51, 27,287.46 and 19,547.12 is: 26,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,902.51 : 27,287.46 = 19,547.12 : x
  2. Step 2: Convert to fraction form
    19,902.51/27,287.46 = 19,547.12/x
  3. Step 3: Cross multiply
    19,902.51x = 27,287.46 × 19,547.12
  4. Step 4: Simplify right side
    19,902.51x = 533,391,118.68
  5. Step 5: Solve for x
    x = 533,391,118.68/19,902.51
  6. Step 6: Final answer
    x = 26,800.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.