Home / 28,497.13-39,330.83-19,294.51

Finding the Fourth Proportional to 28,497.13, 39,330.83 and 19,294.51

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Solution

The fourth proportional to 28,497.13, 39,330.83 and 19,294.51 is: 26,629.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,497.13 : 39,330.83 = 19,294.51 : x
  2. Step 2: Convert to fraction form
    28,497.13/39,330.83 = 19,294.51/x
  3. Step 3: Cross multiply
    28,497.13x = 39,330.83 × 19,294.51
  4. Step 4: Simplify right side
    28,497.13x = 758,869,045.43
  5. Step 5: Solve for x
    x = 758,869,045.43/28,497.13
  6. Step 6: Final answer
    x = 26,629.66

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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.