Home / 19,669.68-29,353.30-19,557.36

Finding the Fourth Proportional to 19,669.68, 29,353.30 and 19,557.36

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Solution

The fourth proportional to 19,669.68, 29,353.30 and 19,557.36 is: 29,185.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669.68 : 29,353.30 = 19,557.36 : x
  2. Step 2: Convert to fraction form
    19,669.68/29,353.30 = 19,557.36/x
  3. Step 3: Cross multiply
    19,669.68x = 29,353.30 × 19,557.36
  4. Step 4: Simplify right side
    19,669.68x = 574,073,055.29
  5. Step 5: Solve for x
    x = 574,073,055.29/19,669.68
  6. Step 6: Final answer
    x = 29,185.68

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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.