Home / 19,501.41-29,120.55-19,295.40

Finding the Fourth Proportional to 19,501.41, 29,120.55 and 19,295.40

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Solution

The fourth proportional to 19,501.41, 29,120.55 and 19,295.40 is: 28,812.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,501.41 : 29,120.55 = 19,295.40 : x
  2. Step 2: Convert to fraction form
    19,501.41/29,120.55 = 19,295.40/x
  3. Step 3: Cross multiply
    19,501.41x = 29,120.55 × 19,295.40
  4. Step 4: Simplify right side
    19,501.41x = 561,892,660.47
  5. Step 5: Solve for x
    x = 561,892,660.47/19,501.41
  6. Step 6: Final answer
    x = 28,812.92

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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.