Home / 19,572.62-27,032.66-12,888.14

Finding the Fourth Proportional to 19,572.62, 27,032.66 and 12,888.14

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Solution

The fourth proportional to 19,572.62, 27,032.66 and 12,888.14 is: 17,800.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.62 : 27,032.66 = 12,888.14 : x
  2. Step 2: Convert to fraction form
    19,572.62/27,032.66 = 12,888.14/x
  3. Step 3: Cross multiply
    19,572.62x = 27,032.66 × 12,888.14
  4. Step 4: Simplify right side
    19,572.62x = 348,400,507.05
  5. Step 5: Solve for x
    x = 348,400,507.05/19,572.62
  6. Step 6: Final answer
    x = 17,800.41

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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.