Home / 13,951.49-21,009.74-10,082.93

Finding the Fourth Proportional to 13,951.49, 21,009.74 and 10,082.93

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Solution

The fourth proportional to 13,951.49, 21,009.74 and 10,082.93 is: 15,184.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.49 : 21,009.74 = 10,082.93 : x
  2. Step 2: Convert to fraction form
    13,951.49/21,009.74 = 10,082.93/x
  3. Step 3: Cross multiply
    13,951.49x = 21,009.74 × 10,082.93
  4. Step 4: Simplify right side
    13,951.49x = 211,839,737.74
  5. Step 5: Solve for x
    x = 211,839,737.74/13,951.49
  6. Step 6: Final answer
    x = 15,184.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.