Home / 19,053.30-26,294.49-11,499.51

Finding the Fourth Proportional to 19,053.30, 26,294.49 and 11,499.51

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Solution

The fourth proportional to 19,053.30, 26,294.49 and 11,499.51 is: 15,869.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,053.30 : 26,294.49 = 11,499.51 : x
  2. Step 2: Convert to fraction form
    19,053.30/26,294.49 = 11,499.51/x
  3. Step 3: Cross multiply
    19,053.30x = 26,294.49 × 11,499.51
  4. Step 4: Simplify right side
    19,053.30x = 302,373,750.70
  5. Step 5: Solve for x
    x = 302,373,750.70/19,053.30
  6. Step 6: Final answer
    x = 15,869.89

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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.