Home / 19,572.72-27,010.14-10,620.42

Finding the Fourth Proportional to 19,572.72, 27,010.14 and 10,620.42

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Solution

The fourth proportional to 19,572.72, 27,010.14 and 10,620.42 is: 14,656.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.72 : 27,010.14 = 10,620.42 : x
  2. Step 2: Convert to fraction form
    19,572.72/27,010.14 = 10,620.42/x
  3. Step 3: Cross multiply
    19,572.72x = 27,010.14 × 10,620.42
  4. Step 4: Simplify right side
    19,572.72x = 286,859,031.06
  5. Step 5: Solve for x
    x = 286,859,031.06/19,572.72
  6. Step 6: Final answer
    x = 14,656.06

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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.