Home / 35,073.58-52,631.34-12,889.20

Finding the Fourth Proportional to 35,073.58, 52,631.34 and 12,889.20

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Solution

The fourth proportional to 35,073.58, 52,631.34 and 12,889.20 is: 19,341.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,073.58 : 52,631.34 = 12,889.20 : x
  2. Step 2: Convert to fraction form
    35,073.58/52,631.34 = 12,889.20/x
  3. Step 3: Cross multiply
    35,073.58x = 52,631.34 × 12,889.20
  4. Step 4: Simplify right side
    35,073.58x = 678,375,867.53
  5. Step 5: Solve for x
    x = 678,375,867.53/35,073.58
  6. Step 6: Final answer
    x = 19,341.51

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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.