Home / 14,041.29-19,368.31-8,372.40

Finding the Fourth Proportional to 14,041.29, 19,368.31 and 8,372.40

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Solution

The fourth proportional to 14,041.29, 19,368.31 and 8,372.40 is: 11,548.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,041.29 : 19,368.31 = 8,372.40 : x
  2. Step 2: Convert to fraction form
    14,041.29/19,368.31 = 8,372.40/x
  3. Step 3: Cross multiply
    14,041.29x = 19,368.31 × 8,372.40
  4. Step 4: Simplify right side
    14,041.29x = 162,159,238.64
  5. Step 5: Solve for x
    x = 162,159,238.64/14,041.29
  6. Step 6: Final answer
    x = 11,548.74

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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.