Home / 35,431.12-53,153.16-14,656.24

Finding the Fourth Proportional to 35,431.12, 53,153.16 and 14,656.24

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Solution

The fourth proportional to 35,431.12, 53,153.16 and 14,656.24 is: 21,987.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,431.12 : 53,153.16 = 14,656.24 : x
  2. Step 2: Convert to fraction form
    35,431.12/53,153.16 = 14,656.24/x
  3. Step 3: Cross multiply
    35,431.12x = 53,153.16 × 14,656.24
  4. Step 4: Simplify right side
    35,431.12x = 779,025,469.72
  5. Step 5: Solve for x
    x = 779,025,469.72/35,431.12
  6. Step 6: Final answer
    x = 21,987.04

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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.