Home / 13,966.70-19,286.51-10,423.76

Finding the Fourth Proportional to 13,966.70, 19,286.51 and 10,423.76

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Solution

The fourth proportional to 13,966.70, 19,286.51 and 10,423.76 is: 14,394.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.70 : 19,286.51 = 10,423.76 : x
  2. Step 2: Convert to fraction form
    13,966.70/19,286.51 = 10,423.76/x
  3. Step 3: Cross multiply
    13,966.70x = 19,286.51 × 10,423.76
  4. Step 4: Simplify right side
    13,966.70x = 201,037,802.93
  5. Step 5: Solve for x
    x = 201,037,802.93/13,966.70
  6. Step 6: Final answer
    x = 14,394.09

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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.