Home / 16,172.08-22,305.43-14,280.32

Finding the Fourth Proportional to 16,172.08, 22,305.43 and 14,280.32

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Solution

The fourth proportional to 16,172.08, 22,305.43 and 14,280.32 is: 19,696.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,172.08 : 22,305.43 = 14,280.32 : x
  2. Step 2: Convert to fraction form
    16,172.08/22,305.43 = 14,280.32/x
  3. Step 3: Cross multiply
    16,172.08x = 22,305.43 × 14,280.32
  4. Step 4: Simplify right side
    16,172.08x = 318,528,678.14
  5. Step 5: Solve for x
    x = 318,528,678.14/16,172.08
  6. Step 6: Final answer
    x = 19,696.21

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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.