Home / 46,419.99-69,619.50-13,131.11

Finding the Fourth Proportional to 46,419.99, 69,619.50 and 13,131.11

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Solution

The fourth proportional to 46,419.99, 69,619.50 and 13,131.11 is: 19,693.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,419.99 : 69,619.50 = 13,131.11 : x
  2. Step 2: Convert to fraction form
    46,419.99/69,619.50 = 13,131.11/x
  3. Step 3: Cross multiply
    46,419.99x = 69,619.50 × 13,131.11
  4. Step 4: Simplify right side
    46,419.99x = 914,181,486.69
  5. Step 5: Solve for x
    x = 914,181,486.69/46,419.99
  6. Step 6: Final answer
    x = 19,693.70

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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.