Home / 15,139.63-22,681.19-10,969.45

Finding the Fourth Proportional to 15,139.63, 22,681.19 and 10,969.45

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Solution

The fourth proportional to 15,139.63, 22,681.19 and 10,969.45 is: 16,433.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,139.63 : 22,681.19 = 10,969.45 : x
  2. Step 2: Convert to fraction form
    15,139.63/22,681.19 = 10,969.45/x
  3. Step 3: Cross multiply
    15,139.63x = 22,681.19 × 10,969.45
  4. Step 4: Simplify right side
    15,139.63x = 248,800,179.65
  5. Step 5: Solve for x
    x = 248,800,179.65/15,139.63
  6. Step 6: Final answer
    x = 16,433.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.