Home / 15,632.51-23,419.34-7,725.83

Finding the Fourth Proportional to 15,632.51, 23,419.34 and 7,725.83

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Solution

The fourth proportional to 15,632.51, 23,419.34 and 7,725.83 is: 11,574.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,632.51 : 23,419.34 = 7,725.83 : x
  2. Step 2: Convert to fraction form
    15,632.51/23,419.34 = 7,725.83/x
  3. Step 3: Cross multiply
    15,632.51x = 23,419.34 × 7,725.83
  4. Step 4: Simplify right side
    15,632.51x = 180,933,887.99
  5. Step 5: Solve for x
    x = 180,933,887.99/15,632.51
  6. Step 6: Final answer
    x = 11,574.21

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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.