Home / 23,412.94-32,336.47-15,742.87

Finding the Fourth Proportional to 23,412.94, 32,336.47 and 15,742.87

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Solution

The fourth proportional to 23,412.94, 32,336.47 and 15,742.87 is: 21,743.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,412.94 : 32,336.47 = 15,742.87 : x
  2. Step 2: Convert to fraction form
    23,412.94/32,336.47 = 15,742.87/x
  3. Step 3: Cross multiply
    23,412.94x = 32,336.47 × 15,742.87
  4. Step 4: Simplify right side
    23,412.94x = 509,068,782.31
  5. Step 5: Solve for x
    x = 509,068,782.31/23,412.94
  6. Step 6: Final answer
    x = 21,743.05

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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.