Home / 14,285.48-19,708.44-8,316.20

Finding the Fourth Proportional to 14,285.48, 19,708.44 and 8,316.20

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Solution

The fourth proportional to 14,285.48, 19,708.44 and 8,316.20 is: 11,473.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.48 : 19,708.44 = 8,316.20 : x
  2. Step 2: Convert to fraction form
    14,285.48/19,708.44 = 8,316.20/x
  3. Step 3: Cross multiply
    14,285.48x = 19,708.44 × 8,316.20
  4. Step 4: Simplify right side
    14,285.48x = 163,899,328.73
  5. Step 5: Solve for x
    x = 163,899,328.73/14,285.48
  6. Step 6: Final answer
    x = 11,473.14

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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.