Home / 16,170.08-22,302.68-14,278.32

Finding the Fourth Proportional to 16,170.08, 22,302.68 and 14,278.32

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Solution

The fourth proportional to 16,170.08, 22,302.68 and 14,278.32 is: 19,693.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,170.08 : 22,302.68 = 14,278.32 : x
  2. Step 2: Convert to fraction form
    16,170.08/22,302.68 = 14,278.32/x
  3. Step 3: Cross multiply
    16,170.08x = 22,302.68 × 14,278.32
  4. Step 4: Simplify right side
    16,170.08x = 318,444,730.51
  5. Step 5: Solve for x
    x = 318,444,730.51/16,170.08
  6. Step 6: Final answer
    x = 19,693.46

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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.