Home / 19,864.34-27,411.72-11,366.64

Finding the Fourth Proportional to 19,864.34, 27,411.72 and 11,366.64

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Solution

The fourth proportional to 19,864.34, 27,411.72 and 11,366.64 is: 15,685.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.34 : 27,411.72 = 11,366.64 : x
  2. Step 2: Convert to fraction form
    19,864.34/27,411.72 = 11,366.64/x
  3. Step 3: Cross multiply
    19,864.34x = 27,411.72 × 11,366.64
  4. Step 4: Simplify right side
    19,864.34x = 311,579,153.02
  5. Step 5: Solve for x
    x = 311,579,153.02/19,864.34
  6. Step 6: Final answer
    x = 15,685.35

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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.