Home / 15,307.73-21,124.65-8,593.37

Finding the Fourth Proportional to 15,307.73, 21,124.65 and 8,593.37

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Solution

The fourth proportional to 15,307.73, 21,124.65 and 8,593.37 is: 11,858.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,307.73 : 21,124.65 = 8,593.37 : x
  2. Step 2: Convert to fraction form
    15,307.73/21,124.65 = 8,593.37/x
  3. Step 3: Cross multiply
    15,307.73x = 21,124.65 × 8,593.37
  4. Step 4: Simplify right side
    15,307.73x = 181,531,933.57
  5. Step 5: Solve for x
    x = 181,531,933.57/15,307.73
  6. Step 6: Final answer
    x = 11,858.84

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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.