Home / 19,389.68-29,091.45-9,535.93

Finding the Fourth Proportional to 19,389.68, 29,091.45 and 9,535.93

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Solution

The fourth proportional to 19,389.68, 29,091.45 and 9,535.93 is: 14,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.68 : 29,091.45 = 9,535.93 : x
  2. Step 2: Convert to fraction form
    19,389.68/29,091.45 = 9,535.93/x
  3. Step 3: Cross multiply
    19,389.68x = 29,091.45 × 9,535.93
  4. Step 4: Simplify right side
    19,389.68x = 277,413,993.83
  5. Step 5: Solve for x
    x = 277,413,993.83/19,389.68
  6. Step 6: Final answer
    x = 14,307.30

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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.