Home / 13,632.74-18,812.70-7,582.95

Finding the Fourth Proportional to 13,632.74, 18,812.70 and 7,582.95

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Solution

The fourth proportional to 13,632.74, 18,812.70 and 7,582.95 is: 10,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.74 : 18,812.70 = 7,582.95 : x
  2. Step 2: Convert to fraction form
    13,632.74/18,812.70 = 7,582.95/x
  3. Step 3: Cross multiply
    13,632.74x = 18,812.70 × 7,582.95
  4. Step 4: Simplify right side
    13,632.74x = 142,655,763.47
  5. Step 5: Solve for x
    x = 142,655,763.47/13,632.74
  6. Step 6: Final answer
    x = 10,464.20

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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.