Home / 15,809.31-23,725.63-7,489.32

Finding the Fourth Proportional to 15,809.31, 23,725.63 and 7,489.32

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Solution

The fourth proportional to 15,809.31, 23,725.63 and 7,489.32 is: 11,239.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,809.31 : 23,725.63 = 7,489.32 : x
  2. Step 2: Convert to fraction form
    15,809.31/23,725.63 = 7,489.32/x
  3. Step 3: Cross multiply
    15,809.31x = 23,725.63 × 7,489.32
  4. Step 4: Simplify right side
    15,809.31x = 177,688,835.27
  5. Step 5: Solve for x
    x = 177,688,835.27/15,809.31
  6. Step 6: Final answer
    x = 11,239.51

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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.