Home / 18,192.29-25,091.93-12,528.84

Finding the Fourth Proportional to 18,192.29, 25,091.93 and 12,528.84

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Solution

The fourth proportional to 18,192.29, 25,091.93 and 12,528.84 is: 17,280.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.29 : 25,091.93 = 12,528.84 : x
  2. Step 2: Convert to fraction form
    18,192.29/25,091.93 = 12,528.84/x
  3. Step 3: Cross multiply
    18,192.29x = 25,091.93 × 12,528.84
  4. Step 4: Simplify right side
    18,192.29x = 314,372,807.58
  5. Step 5: Solve for x
    x = 314,372,807.58/18,192.29
  6. Step 6: Final answer
    x = 17,280.55

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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.