Home / 28,398.07-39,196.02-17,651.06

Finding the Fourth Proportional to 28,398.07, 39,196.02 and 17,651.06

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Solution

The fourth proportional to 28,398.07, 39,196.02 and 17,651.06 is: 24,362.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,398.07 : 39,196.02 = 17,651.06 : x
  2. Step 2: Convert to fraction form
    28,398.07/39,196.02 = 17,651.06/x
  3. Step 3: Cross multiply
    28,398.07x = 39,196.02 × 17,651.06
  4. Step 4: Simplify right side
    28,398.07x = 691,851,398.77
  5. Step 5: Solve for x
    x = 691,851,398.77/28,398.07
  6. Step 6: Final answer
    x = 24,362.62

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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.