Home / 14,123.16-21,181.16-5,805.47

Finding the Fourth Proportional to 14,123.16, 21,181.16 and 5,805.47

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Solution

The fourth proportional to 14,123.16, 21,181.16 and 5,805.47 is: 8,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.16 : 21,181.16 = 5,805.47 : x
  2. Step 2: Convert to fraction form
    14,123.16/21,181.16 = 5,805.47/x
  3. Step 3: Cross multiply
    14,123.16x = 21,181.16 × 5,805.47
  4. Step 4: Simplify right side
    14,123.16x = 122,966,656.41
  5. Step 5: Solve for x
    x = 122,966,656.41/14,123.16
  6. Step 6: Final answer
    x = 8,706.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.