Home / 15,301.31-21,176.52-14,933.16

Finding the Fourth Proportional to 15,301.31, 21,176.52 and 14,933.16

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Solution

The fourth proportional to 15,301.31, 21,176.52 and 14,933.16 is: 20,667.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,301.31 : 21,176.52 = 14,933.16 : x
  2. Step 2: Convert to fraction form
    15,301.31/21,176.52 = 14,933.16/x
  3. Step 3: Cross multiply
    15,301.31x = 21,176.52 × 14,933.16
  4. Step 4: Simplify right side
    15,301.31x = 316,232,361.40
  5. Step 5: Solve for x
    x = 316,232,361.40/15,301.31
  6. Step 6: Final answer
    x = 20,667.02

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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.