Home / 28,664.02-39,586.38-19,734.58

Finding the Fourth Proportional to 28,664.02, 39,586.38 and 19,734.58

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Solution

The fourth proportional to 28,664.02, 39,586.38 and 19,734.58 is: 27,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,664.02 : 39,586.38 = 19,734.58 : x
  2. Step 2: Convert to fraction form
    28,664.02/39,586.38 = 19,734.58/x
  3. Step 3: Cross multiply
    28,664.02x = 39,586.38 × 19,734.58
  4. Step 4: Simplify right side
    28,664.02x = 781,220,583.02
  5. Step 5: Solve for x
    x = 781,220,583.02/28,664.02
  6. Step 6: Final answer
    x = 27,254.40

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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.