Home / 19,555.68-29,316.12-7,072.93

Finding the Fourth Proportional to 19,555.68, 29,316.12 and 7,072.93

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Solution

The fourth proportional to 19,555.68, 29,316.12 and 7,072.93 is: 10,603.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,555.68 : 29,316.12 = 7,072.93 : x
  2. Step 2: Convert to fraction form
    19,555.68/29,316.12 = 7,072.93/x
  3. Step 3: Cross multiply
    19,555.68x = 29,316.12 × 7,072.93
  4. Step 4: Simplify right side
    19,555.68x = 207,350,832.09
  5. Step 5: Solve for x
    x = 207,350,832.09/19,555.68
  6. Step 6: Final answer
    x = 10,603.10

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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.