Home / 19,130.49-26,399.89-10,632.65

Finding the Fourth Proportional to 19,130.49, 26,399.89 and 10,632.65

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Solution

The fourth proportional to 19,130.49, 26,399.89 and 10,632.65 is: 14,672.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.49 : 26,399.89 = 10,632.65 : x
  2. Step 2: Convert to fraction form
    19,130.49/26,399.89 = 10,632.65/x
  3. Step 3: Cross multiply
    19,130.49x = 26,399.89 × 10,632.65
  4. Step 4: Simplify right side
    19,130.49x = 280,700,671.70
  5. Step 5: Solve for x
    x = 280,700,671.70/19,130.49
  6. Step 6: Final answer
    x = 14,672.95

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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.