Home / 19,934.16-27,509.16-10,981.67

Finding the Fourth Proportional to 19,934.16, 27,509.16 and 10,981.67

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Solution

The fourth proportional to 19,934.16, 27,509.16 and 10,981.67 is: 15,154.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,934.16 : 27,509.16 = 10,981.67 : x
  2. Step 2: Convert to fraction form
    19,934.16/27,509.16 = 10,981.67/x
  3. Step 3: Cross multiply
    19,934.16x = 27,509.16 × 10,981.67
  4. Step 4: Simplify right side
    19,934.16x = 302,096,517.10
  5. Step 5: Solve for x
    x = 302,096,517.10/19,934.16
  6. Step 6: Final answer
    x = 15,154.72

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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.