Home / 14,420.48-19,899.52-8,045.96

Finding the Fourth Proportional to 14,420.48, 19,899.52 and 8,045.96

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Solution

The fourth proportional to 14,420.48, 19,899.52 and 8,045.96 is: 11,103.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,420.48 : 19,899.52 = 8,045.96 : x
  2. Step 2: Convert to fraction form
    14,420.48/19,899.52 = 8,045.96/x
  3. Step 3: Cross multiply
    14,420.48x = 19,899.52 × 8,045.96
  4. Step 4: Simplify right side
    14,420.48x = 160,110,741.94
  5. Step 5: Solve for x
    x = 160,110,741.94/14,420.48
  6. Step 6: Final answer
    x = 11,103.01

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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.