Home / 15,558.52-21,474.85-8,848.08

Finding the Fourth Proportional to 15,558.52, 21,474.85 and 8,848.08

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Solution

The fourth proportional to 15,558.52, 21,474.85 and 8,848.08 is: 12,212.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558.52 : 21,474.85 = 8,848.08 : x
  2. Step 2: Convert to fraction form
    15,558.52/21,474.85 = 8,848.08/x
  3. Step 3: Cross multiply
    15,558.52x = 21,474.85 × 8,848.08
  4. Step 4: Simplify right side
    15,558.52x = 190,011,190.79
  5. Step 5: Solve for x
    x = 190,011,190.79/15,558.52
  6. Step 6: Final answer
    x = 12,212.68

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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.