Home / 19,332.56-26,680.81-10,836.12

Finding the Fourth Proportional to 19,332.56, 26,680.81 and 10,836.12

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Solution

The fourth proportional to 19,332.56, 26,680.81 and 10,836.12 is: 14,954.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.56 : 26,680.81 = 10,836.12 : x
  2. Step 2: Convert to fraction form
    19,332.56/26,680.81 = 10,836.12/x
  3. Step 3: Cross multiply
    19,332.56x = 26,680.81 × 10,836.12
  4. Step 4: Simplify right side
    19,332.56x = 289,116,458.86
  5. Step 5: Solve for x
    x = 289,116,458.86/19,332.56
  6. Step 6: Final answer
    x = 14,954.90

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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.