Home / 19,643.78-29,243.53-19,527.04

Finding the Fourth Proportional to 19,643.78, 29,243.53 and 19,527.04

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Solution

The fourth proportional to 19,643.78, 29,243.53 and 19,527.04 is: 29,069.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,643.78 : 29,243.53 = 19,527.04 : x
  2. Step 2: Convert to fraction form
    19,643.78/29,243.53 = 19,527.04/x
  3. Step 3: Cross multiply
    19,643.78x = 29,243.53 × 19,527.04
  4. Step 4: Simplify right side
    19,643.78x = 571,039,580.05
  5. Step 5: Solve for x
    x = 571,039,580.05/19,643.78
  6. Step 6: Final answer
    x = 29,069.74

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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.