Home / 16,172.08-22,329.32-10,515.12

Finding the Fourth Proportional to 16,172.08, 22,329.32 and 10,515.12

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Solution

The fourth proportional to 16,172.08, 22,329.32 and 10,515.12 is: 14,518.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,172.08 : 22,329.32 = 10,515.12 : x
  2. Step 2: Convert to fraction form
    16,172.08/22,329.32 = 10,515.12/x
  3. Step 3: Cross multiply
    16,172.08x = 22,329.32 × 10,515.12
  4. Step 4: Simplify right side
    16,172.08x = 234,795,479.32
  5. Step 5: Solve for x
    x = 234,795,479.32/16,172.08
  6. Step 6: Final answer
    x = 14,518.57

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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.