Home / 19,559.02-26,990.94-11,175.52

Finding the Fourth Proportional to 19,559.02, 26,990.94 and 11,175.52

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Solution

The fourth proportional to 19,559.02, 26,990.94 and 11,175.52 is: 15,421.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,559.02 : 26,990.94 = 11,175.52 : x
  2. Step 2: Convert to fraction form
    19,559.02/26,990.94 = 11,175.52/x
  3. Step 3: Cross multiply
    19,559.02x = 26,990.94 × 11,175.52
  4. Step 4: Simplify right side
    19,559.02x = 301,637,789.79
  5. Step 5: Solve for x
    x = 301,637,789.79/19,559.02
  6. Step 6: Final answer
    x = 15,421.93

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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.