Home / 15,884.32-23,845.20-9,315.52

Finding the Fourth Proportional to 15,884.32, 23,845.20 and 9,315.52

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Solution

The fourth proportional to 15,884.32, 23,845.20 and 9,315.52 is: 13,984.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,884.32 : 23,845.20 = 9,315.52 : x
  2. Step 2: Convert to fraction form
    15,884.32/23,845.20 = 9,315.52/x
  3. Step 3: Cross multiply
    15,884.32x = 23,845.20 × 9,315.52
  4. Step 4: Simplify right side
    15,884.32x = 222,130,437.50
  5. Step 5: Solve for x
    x = 222,130,437.50/15,884.32
  6. Step 6: Final answer
    x = 13,984.26

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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.