Home / 14,646.72-21,971.16-5,292.30

Finding the Fourth Proportional to 14,646.72, 21,971.16 and 5,292.30

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Solution

The fourth proportional to 14,646.72, 21,971.16 and 5,292.30 is: 7,938.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,646.72 : 21,971.16 = 5,292.30 : x
  2. Step 2: Convert to fraction form
    14,646.72/21,971.16 = 5,292.30/x
  3. Step 3: Cross multiply
    14,646.72x = 21,971.16 × 5,292.30
  4. Step 4: Simplify right side
    14,646.72x = 116,277,970.07
  5. Step 5: Solve for x
    x = 116,277,970.07/14,646.72
  6. Step 6: Final answer
    x = 7,938.84

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Similar ratio
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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.