Home / 15,703.68-23,555.64-5,322.72

Finding the Fourth Proportional to 15,703.68, 23,555.64 and 5,322.72

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Solution

The fourth proportional to 15,703.68, 23,555.64 and 5,322.72 is: 7,984.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,703.68 : 23,555.64 = 5,322.72 : x
  2. Step 2: Convert to fraction form
    15,703.68/23,555.64 = 5,322.72/x
  3. Step 3: Cross multiply
    15,703.68x = 23,555.64 × 5,322.72
  4. Step 4: Simplify right side
    15,703.68x = 125,380,076.14
  5. Step 5: Solve for x
    x = 125,380,076.14/15,703.68
  6. Step 6: Final answer
    x = 7,984.12

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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.