Home / 13,088.20-19,623.66-5,289.16

Finding the Fourth Proportional to 13,088.20, 19,623.66 and 5,289.16

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Solution

The fourth proportional to 13,088.20, 19,623.66 and 5,289.16 is: 7,930.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.20 : 19,623.66 = 5,289.16 : x
  2. Step 2: Convert to fraction form
    13,088.20/19,623.66 = 5,289.16/x
  3. Step 3: Cross multiply
    13,088.20x = 19,623.66 × 5,289.16
  4. Step 4: Simplify right side
    13,088.20x = 103,792,677.53
  5. Step 5: Solve for x
    x = 103,792,677.53/13,088.20
  6. Step 6: Final answer
    x = 7,930.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.