Home / 19,148.76-28,535.19-18,522.36

Finding the Fourth Proportional to 19,148.76, 28,535.19 and 18,522.36

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Solution

The fourth proportional to 19,148.76, 28,535.19 and 18,522.36 is: 27,601.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148.76 : 28,535.19 = 18,522.36 : x
  2. Step 2: Convert to fraction form
    19,148.76/28,535.19 = 18,522.36/x
  3. Step 3: Cross multiply
    19,148.76x = 28,535.19 × 18,522.36
  4. Step 4: Simplify right side
    19,148.76x = 528,539,061.85
  5. Step 5: Solve for x
    x = 528,539,061.85/19,148.76
  6. Step 6: Final answer
    x = 27,601.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.