Home / 19,319.58-26,665.17-11,768.40

Finding the Fourth Proportional to 19,319.58, 26,665.17 and 11,768.40

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Solution

The fourth proportional to 19,319.58, 26,665.17 and 11,768.40 is: 16,242.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319.58 : 26,665.17 = 11,768.40 : x
  2. Step 2: Convert to fraction form
    19,319.58/26,665.17 = 11,768.40/x
  3. Step 3: Cross multiply
    19,319.58x = 26,665.17 × 11,768.40
  4. Step 4: Simplify right side
    19,319.58x = 313,806,386.63
  5. Step 5: Solve for x
    x = 313,806,386.63/19,319.58
  6. Step 6: Final answer
    x = 16,242.92

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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.