Home / 15,953.47-23,893.75-7,639.32

Finding the Fourth Proportional to 15,953.47, 23,893.75 and 7,639.32

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Solution

The fourth proportional to 15,953.47, 23,893.75 and 7,639.32 is: 11,441.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,953.47 : 23,893.75 = 7,639.32 : x
  2. Step 2: Convert to fraction form
    15,953.47/23,893.75 = 7,639.32/x
  3. Step 3: Cross multiply
    15,953.47x = 23,893.75 × 7,639.32
  4. Step 4: Simplify right side
    15,953.47x = 182,532,101.40
  5. Step 5: Solve for x
    x = 182,532,101.40/15,953.47
  6. Step 6: Final answer
    x = 11,441.53

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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.