Home / 18,888.46-26,066.95-10,929.14

Finding the Fourth Proportional to 18,888.46, 26,066.95 and 10,929.14

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Solution

The fourth proportional to 18,888.46, 26,066.95 and 10,929.14 is: 15,082.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,888.46 : 26,066.95 = 10,929.14 : x
  2. Step 2: Convert to fraction form
    18,888.46/26,066.95 = 10,929.14/x
  3. Step 3: Cross multiply
    18,888.46x = 26,066.95 × 10,929.14
  4. Step 4: Simplify right side
    18,888.46x = 284,889,286.02
  5. Step 5: Solve for x
    x = 284,889,286.02/18,888.46
  6. Step 6: Final answer
    x = 15,082.72

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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.