Home / 19,960.74-27,547.07-11,465.55

Finding the Fourth Proportional to 19,960.74, 27,547.07 and 11,465.55

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Solution

The fourth proportional to 19,960.74, 27,547.07 and 11,465.55 is: 15,823.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.74 : 27,547.07 = 11,465.55 : x
  2. Step 2: Convert to fraction form
    19,960.74/27,547.07 = 11,465.55/x
  3. Step 3: Cross multiply
    19,960.74x = 27,547.07 × 11,465.55
  4. Step 4: Simplify right side
    19,960.74x = 315,842,251.11
  5. Step 5: Solve for x
    x = 315,842,251.11/19,960.74
  6. Step 6: Final answer
    x = 15,823.17

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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.