Home / 13,276.64-18,323.55-8,574.59

Finding the Fourth Proportional to 13,276.64, 18,323.55 and 8,574.59

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Solution

The fourth proportional to 13,276.64, 18,323.55 and 8,574.59 is: 11,834.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.64 : 18,323.55 = 8,574.59 : x
  2. Step 2: Convert to fraction form
    13,276.64/18,323.55 = 8,574.59/x
  3. Step 3: Cross multiply
    13,276.64x = 18,323.55 × 8,574.59
  4. Step 4: Simplify right side
    13,276.64x = 157,116,974.40
  5. Step 5: Solve for x
    x = 157,116,974.40/13,276.64
  6. Step 6: Final answer
    x = 11,834.09

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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.