Home / 29,085.32-40,139.04-16,511.24

Finding the Fourth Proportional to 29,085.32, 40,139.04 and 16,511.24

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Solution

The fourth proportional to 29,085.32, 40,139.04 and 16,511.24 is: 22,786.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,085.32 : 40,139.04 = 16,511.24 : x
  2. Step 2: Convert to fraction form
    29,085.32/40,139.04 = 16,511.24/x
  3. Step 3: Cross multiply
    29,085.32x = 40,139.04 × 16,511.24
  4. Step 4: Simplify right side
    29,085.32x = 662,745,322.81
  5. Step 5: Solve for x
    x = 662,745,322.81/29,085.32
  6. Step 6: Final answer
    x = 22,786.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.