Home / 28,658.75-39,565.53-19,096.11

Finding the Fourth Proportional to 28,658.75, 39,565.53 and 19,096.11

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Solution

The fourth proportional to 28,658.75, 39,565.53 and 19,096.11 is: 26,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,658.75 : 39,565.53 = 19,096.11 : x
  2. Step 2: Convert to fraction form
    28,658.75/39,565.53 = 19,096.11/x
  3. Step 3: Cross multiply
    28,658.75x = 39,565.53 × 19,096.11
  4. Step 4: Simplify right side
    28,658.75x = 755,547,713.09
  5. Step 5: Solve for x
    x = 755,547,713.09/28,658.75
  6. Step 6: Final answer
    x = 26,363.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.