Home / 14,837.31-20,475.81-8,123.22

Finding the Fourth Proportional to 14,837.31, 20,475.81 and 8,123.22

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Solution

The fourth proportional to 14,837.31, 20,475.81 and 8,123.22 is: 11,210.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,837.31 : 20,475.81 = 8,123.22 : x
  2. Step 2: Convert to fraction form
    14,837.31/20,475.81 = 8,123.22/x
  3. Step 3: Cross multiply
    14,837.31x = 20,475.81 × 8,123.22
  4. Step 4: Simplify right side
    14,837.31x = 166,329,509.31
  5. Step 5: Solve for x
    x = 166,329,509.31/14,837.31
  6. Step 6: Final answer
    x = 11,210.22

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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.