Home / 19,961.62-27,547.72-11,009.40

Finding the Fourth Proportional to 19,961.62, 27,547.72 and 11,009.40

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Solution

The fourth proportional to 19,961.62, 27,547.72 and 11,009.40 is: 15,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.62 : 27,547.72 = 11,009.40 : x
  2. Step 2: Convert to fraction form
    19,961.62/27,547.72 = 11,009.40/x
  3. Step 3: Cross multiply
    19,961.62x = 27,547.72 × 11,009.40
  4. Step 4: Simplify right side
    19,961.62x = 303,283,868.57
  5. Step 5: Solve for x
    x = 303,283,868.57/19,961.62
  6. Step 6: Final answer
    x = 15,193.35

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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.