Home / 19,899.04-27,466.40-13,275.04

Finding the Fourth Proportional to 19,899.04, 27,466.40 and 13,275.04

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Solution

The fourth proportional to 19,899.04, 27,466.40 and 13,275.04 is: 18,323.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.04 : 27,466.40 = 13,275.04 : x
  2. Step 2: Convert to fraction form
    19,899.04/27,466.40 = 13,275.04/x
  3. Step 3: Cross multiply
    19,899.04x = 27,466.40 × 13,275.04
  4. Step 4: Simplify right side
    19,899.04x = 364,617,558.66
  5. Step 5: Solve for x
    x = 364,617,558.66/19,899.04
  6. Step 6: Final answer
    x = 18,323.37

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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.