Home / 23,750.82-32,782.95-15,690.36

Finding the Fourth Proportional to 23,750.82, 32,782.95 and 15,690.36

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Solution

The fourth proportional to 23,750.82, 32,782.95 and 15,690.36 is: 21,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,750.82 : 32,782.95 = 15,690.36 : x
  2. Step 2: Convert to fraction form
    23,750.82/32,782.95 = 15,690.36/x
  3. Step 3: Cross multiply
    23,750.82x = 32,782.95 × 15,690.36
  4. Step 4: Simplify right side
    23,750.82x = 514,376,287.36
  5. Step 5: Solve for x
    x = 514,376,287.36/23,750.82
  6. Step 6: Final answer
    x = 21,657.20

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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.