Home / 14,031.36-19,363.86-8,064.90

Finding the Fourth Proportional to 14,031.36, 19,363.86 and 8,064.90

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Solution

The fourth proportional to 14,031.36, 19,363.86 and 8,064.90 is: 11,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,031.36 : 19,363.86 = 8,064.90 : x
  2. Step 2: Convert to fraction form
    14,031.36/19,363.86 = 8,064.90/x
  3. Step 3: Cross multiply
    14,031.36x = 19,363.86 × 8,064.90
  4. Step 4: Simplify right side
    14,031.36x = 156,167,594.51
  5. Step 5: Solve for x
    x = 156,167,594.51/14,031.36
  6. Step 6: Final answer
    x = 11,129.90

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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.