Home / 19,624.79-27,084.81-11,671.40

Finding the Fourth Proportional to 19,624.79, 27,084.81 and 11,671.40

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Solution

The fourth proportional to 19,624.79, 27,084.81 and 11,671.40 is: 16,108.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,624.79 : 27,084.81 = 11,671.40 : x
  2. Step 2: Convert to fraction form
    19,624.79/27,084.81 = 11,671.40/x
  3. Step 3: Cross multiply
    19,624.79x = 27,084.81 × 11,671.40
  4. Step 4: Simplify right side
    19,624.79x = 316,117,516.01
  5. Step 5: Solve for x
    x = 316,117,516.01/19,624.79
  6. Step 6: Final answer
    x = 16,108.08

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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.