Home / 18,541.63-25,583.02-10,986.66

Finding the Fourth Proportional to 18,541.63, 25,583.02 and 10,986.66

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Solution

The fourth proportional to 18,541.63, 25,583.02 and 10,986.66 is: 15,158.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,541.63 : 25,583.02 = 10,986.66 : x
  2. Step 2: Convert to fraction form
    18,541.63/25,583.02 = 10,986.66/x
  3. Step 3: Cross multiply
    18,541.63x = 25,583.02 × 10,986.66
  4. Step 4: Simplify right side
    18,541.63x = 281,071,942.51
  5. Step 5: Solve for x
    x = 281,071,942.51/18,541.63
  6. Step 6: Final answer
    x = 15,158.97

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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.