Home / 19,115.76-26,373.36-11,564.40

Finding the Fourth Proportional to 19,115.76, 26,373.36 and 11,564.40

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Solution

The fourth proportional to 19,115.76, 26,373.36 and 11,564.40 is: 15,955.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.76 : 26,373.36 = 11,564.40 : x
  2. Step 2: Convert to fraction form
    19,115.76/26,373.36 = 11,564.40/x
  3. Step 3: Cross multiply
    19,115.76x = 26,373.36 × 11,564.40
  4. Step 4: Simplify right side
    19,115.76x = 304,992,084.38
  5. Step 5: Solve for x
    x = 304,992,084.38/19,115.76
  6. Step 6: Final answer
    x = 15,955.01

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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.