Home / 19,362.79-29,028.55-7,510.45

Finding the Fourth Proportional to 19,362.79, 29,028.55 and 7,510.45

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Solution

The fourth proportional to 19,362.79, 29,028.55 and 7,510.45 is: 11,259.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,362.79 : 29,028.55 = 7,510.45 : x
  2. Step 2: Convert to fraction form
    19,362.79/29,028.55 = 7,510.45/x
  3. Step 3: Cross multiply
    19,362.79x = 29,028.55 × 7,510.45
  4. Step 4: Simplify right side
    19,362.79x = 218,017,473.35
  5. Step 5: Solve for x
    x = 218,017,473.35/19,362.79
  6. Step 6: Final answer
    x = 11,259.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.