Home / 29,012.07-43,477.02-12,355.32

Finding the Fourth Proportional to 29,012.07, 43,477.02 and 12,355.32

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Solution

The fourth proportional to 29,012.07, 43,477.02 and 12,355.32 is: 18,515.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,012.07 : 43,477.02 = 12,355.32 : x
  2. Step 2: Convert to fraction form
    29,012.07/43,477.02 = 12,355.32/x
  3. Step 3: Cross multiply
    29,012.07x = 43,477.02 × 12,355.32
  4. Step 4: Simplify right side
    29,012.07x = 537,172,494.75
  5. Step 5: Solve for x
    x = 537,172,494.75/29,012.07
  6. Step 6: Final answer
    x = 18,515.48

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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.