Home / 18,962.76-26,168.57-10,465.40

Finding the Fourth Proportional to 18,962.76, 26,168.57 and 10,465.40

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Solution

The fourth proportional to 18,962.76, 26,168.57 and 10,465.40 is: 14,442.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962.76 : 26,168.57 = 10,465.40 : x
  2. Step 2: Convert to fraction form
    18,962.76/26,168.57 = 10,465.40/x
  3. Step 3: Cross multiply
    18,962.76x = 26,168.57 × 10,465.40
  4. Step 4: Simplify right side
    18,962.76x = 273,864,604.82
  5. Step 5: Solve for x
    x = 273,864,604.82/18,962.76
  6. Step 6: Final answer
    x = 14,442.23

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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.