Home / 19,603.04-29,404.50-7,916.12

Finding the Fourth Proportional to 19,603.04, 29,404.50 and 7,916.12

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Solution

The fourth proportional to 19,603.04, 29,404.50 and 7,916.12 is: 11,874.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,603.04 : 29,404.50 = 7,916.12 : x
  2. Step 2: Convert to fraction form
    19,603.04/29,404.50 = 7,916.12/x
  3. Step 3: Cross multiply
    19,603.04x = 29,404.50 × 7,916.12
  4. Step 4: Simplify right side
    19,603.04x = 232,769,550.54
  5. Step 5: Solve for x
    x = 232,769,550.54/19,603.04
  6. Step 6: Final answer
    x = 11,874.16

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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.