Home / 35,579.12-53,376.24-12,199.28

Finding the Fourth Proportional to 35,579.12, 53,376.24 and 12,199.28

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Solution

The fourth proportional to 35,579.12, 53,376.24 and 12,199.28 is: 18,301.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,579.12 : 53,376.24 = 12,199.28 : x
  2. Step 2: Convert to fraction form
    35,579.12/53,376.24 = 12,199.28/x
  3. Step 3: Cross multiply
    35,579.12x = 53,376.24 × 12,199.28
  4. Step 4: Simplify right side
    35,579.12x = 651,151,697.11
  5. Step 5: Solve for x
    x = 651,151,697.11/35,579.12
  6. Step 6: Final answer
    x = 18,301.51

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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.