Home / 14,848.32-20,490.71-8,133.80

Finding the Fourth Proportional to 14,848.32, 20,490.71 and 8,133.80

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Solution

The fourth proportional to 14,848.32, 20,490.71 and 8,133.80 is: 11,224.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,848.32 : 20,490.71 = 8,133.80 : x
  2. Step 2: Convert to fraction form
    14,848.32/20,490.71 = 8,133.80/x
  3. Step 3: Cross multiply
    14,848.32x = 20,490.71 × 8,133.80
  4. Step 4: Simplify right side
    14,848.32x = 166,667,424.01
  5. Step 5: Solve for x
    x = 166,667,424.01/14,848.32
  6. Step 6: Final answer
    x = 11,224.66

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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.