Home / 23,685.81-35,521.59-19,515.48

Finding the Fourth Proportional to 23,685.81, 35,521.59 and 19,515.48

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Solution

The fourth proportional to 23,685.81, 35,521.59 and 19,515.48 is: 29,267.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,685.81 : 35,521.59 = 19,515.48 : x
  2. Step 2: Convert to fraction form
    23,685.81/35,521.59 = 19,515.48/x
  3. Step 3: Cross multiply
    23,685.81x = 35,521.59 × 19,515.48
  4. Step 4: Simplify right side
    23,685.81x = 693,220,879.21
  5. Step 5: Solve for x
    x = 693,220,879.21/23,685.81
  6. Step 6: Final answer
    x = 29,267.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.