Home / 13,276.67-18,323.55-8,574.62

Finding the Fourth Proportional to 13,276.67, 18,323.55 and 8,574.62

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Solution

The fourth proportional to 13,276.67, 18,323.55 and 8,574.62 is: 11,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.67 : 18,323.55 = 8,574.62 : x
  2. Step 2: Convert to fraction form
    13,276.67/18,323.55 = 8,574.62/x
  3. Step 3: Cross multiply
    13,276.67x = 18,323.55 × 8,574.62
  4. Step 4: Simplify right side
    13,276.67x = 157,117,386.68
  5. Step 5: Solve for x
    x = 157,117,386.68/13,276.67
  6. Step 6: Final answer
    x = 11,834.10

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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.