Home / 15,561.49-21,476.67-8,848.12

Finding the Fourth Proportional to 15,561.49, 21,476.67 and 8,848.12

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Solution

The fourth proportional to 15,561.49, 21,476.67 and 8,848.12 is: 12,211.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,561.49 : 21,476.67 = 8,848.12 : x
  2. Step 2: Convert to fraction form
    15,561.49/21,476.67 = 8,848.12/x
  3. Step 3: Cross multiply
    15,561.49x = 21,476.67 × 8,848.12
  4. Step 4: Simplify right side
    15,561.49x = 190,028,153.36
  5. Step 5: Solve for x
    x = 190,028,153.36/15,561.49
  6. Step 6: Final answer
    x = 12,211.44

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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.