Home / 19,239.81-26,545.14-18,605.58

Finding the Fourth Proportional to 19,239.81, 26,545.14 and 18,605.58

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Solution

The fourth proportional to 19,239.81, 26,545.14 and 18,605.58 is: 25,670.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.81 : 26,545.14 = 18,605.58 : x
  2. Step 2: Convert to fraction form
    19,239.81/26,545.14 = 18,605.58/x
  3. Step 3: Cross multiply
    19,239.81x = 26,545.14 × 18,605.58
  4. Step 4: Simplify right side
    19,239.81x = 493,887,725.88
  5. Step 5: Solve for x
    x = 493,887,725.88/19,239.81
  6. Step 6: Final answer
    x = 25,670.09

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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.