Home / 14,160.72-19,543.36-8,192.32

Finding the Fourth Proportional to 14,160.72, 19,543.36 and 8,192.32

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Solution

The fourth proportional to 14,160.72, 19,543.36 and 8,192.32 is: 11,306.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.72 : 19,543.36 = 8,192.32 : x
  2. Step 2: Convert to fraction form
    14,160.72/19,543.36 = 8,192.32/x
  3. Step 3: Cross multiply
    14,160.72x = 19,543.36 × 8,192.32
  4. Step 4: Simplify right side
    14,160.72x = 160,105,459.00
  5. Step 5: Solve for x
    x = 160,105,459.00/14,160.72
  6. Step 6: Final answer
    x = 11,306.31

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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.