Home / 14,837.96-20,476.63-8,123.48

Finding the Fourth Proportional to 14,837.96, 20,476.63 and 8,123.48

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Solution

The fourth proportional to 14,837.96, 20,476.63 and 8,123.48 is: 11,210.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,837.96 : 20,476.63 = 8,123.48 : x
  2. Step 2: Convert to fraction form
    14,837.96/20,476.63 = 8,123.48/x
  3. Step 3: Cross multiply
    14,837.96x = 20,476.63 × 8,123.48
  4. Step 4: Simplify right side
    14,837.96x = 166,341,391.89
  5. Step 5: Solve for x
    x = 166,341,391.89/14,837.96
  6. Step 6: Final answer
    x = 11,210.53

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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.