Home / 15,566.94-21,484.79-9,194.22

Finding the Fourth Proportional to 15,566.94, 21,484.79 and 9,194.22

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Solution

The fourth proportional to 15,566.94, 21,484.79 and 9,194.22 is: 12,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,566.94 : 21,484.79 = 9,194.22 : x
  2. Step 2: Convert to fraction form
    15,566.94/21,484.79 = 9,194.22/x
  3. Step 3: Cross multiply
    15,566.94x = 21,484.79 × 9,194.22
  4. Step 4: Simplify right side
    15,566.94x = 197,535,839.94
  5. Step 5: Solve for x
    x = 197,535,839.94/15,566.94
  6. Step 6: Final answer
    x = 12,689.45

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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.