Home / 19,155.29-26,428.14-11,599.20

Finding the Fourth Proportional to 19,155.29, 26,428.14 and 11,599.20

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Solution

The fourth proportional to 19,155.29, 26,428.14 and 11,599.20 is: 16,003.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.29 : 26,428.14 = 11,599.20 : x
  2. Step 2: Convert to fraction form
    19,155.29/26,428.14 = 11,599.20/x
  3. Step 3: Cross multiply
    19,155.29x = 26,428.14 × 11,599.20
  4. Step 4: Simplify right side
    19,155.29x = 306,545,281.49
  5. Step 5: Solve for x
    x = 306,545,281.49/19,155.29
  6. Step 6: Final answer
    x = 16,003.17

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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.