Home / 35,406.14-53,118.44-13,219.70

Finding the Fourth Proportional to 35,406.14, 53,118.44 and 13,219.70

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Solution

The fourth proportional to 35,406.14, 53,118.44 and 13,219.70 is: 19,832.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,406.14 : 53,118.44 = 13,219.70 : x
  2. Step 2: Convert to fraction form
    35,406.14/53,118.44 = 13,219.70/x
  3. Step 3: Cross multiply
    35,406.14x = 53,118.44 × 13,219.70
  4. Step 4: Simplify right side
    35,406.14x = 702,209,775.17
  5. Step 5: Solve for x
    x = 702,209,775.17/35,406.14
  6. Step 6: Final answer
    x = 19,832.99

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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.