Home / 23,403.22-32,271.90-15,435.28

Finding the Fourth Proportional to 23,403.22, 32,271.90 and 15,435.28

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Solution

The fourth proportional to 23,403.22, 32,271.90 and 15,435.28 is: 21,284.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,403.22 : 32,271.90 = 15,435.28 : x
  2. Step 2: Convert to fraction form
    23,403.22/32,271.90 = 15,435.28/x
  3. Step 3: Cross multiply
    23,403.22x = 32,271.90 × 15,435.28
  4. Step 4: Simplify right side
    23,403.22x = 498,125,812.63
  5. Step 5: Solve for x
    x = 498,125,812.63/23,403.22
  6. Step 6: Final answer
    x = 21,284.50

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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.