Home / 19,707.03-29,430.61-17,529.75

Finding the Fourth Proportional to 19,707.03, 29,430.61 and 17,529.75

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Solution

The fourth proportional to 19,707.03, 29,430.61 and 17,529.75 is: 26,179.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.03 : 29,430.61 = 17,529.75 : x
  2. Step 2: Convert to fraction form
    19,707.03/29,430.61 = 17,529.75/x
  3. Step 3: Cross multiply
    19,707.03x = 29,430.61 × 17,529.75
  4. Step 4: Simplify right side
    19,707.03x = 515,911,191.82
  5. Step 5: Solve for x
    x = 515,911,191.82/19,707.03
  6. Step 6: Final answer
    x = 26,179.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.