Home / 14,062.08-19,407.60-8,472

Finding the Fourth Proportional to 14,062.08, 19,407.60 and 8,472

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Solution

The fourth proportional to 14,062.08, 19,407.60 and 8,472 is: 11,692.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,062.08 : 19,407.60 = 8,472 : x
  2. Step 2: Convert to fraction form
    14,062.08/19,407.60 = 8,472/x
  3. Step 3: Cross multiply
    14,062.08x = 19,407.60 × 8,472
  4. Step 4: Simplify right side
    14,062.08x = 164,421,187.20
  5. Step 5: Solve for x
    x = 164,421,187.20/14,062.08
  6. Step 6: Final answer
    x = 11,692.52

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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.