Home / 15,458.96-21,325.20-10,984.52

Finding the Fourth Proportional to 15,458.96, 21,325.20 and 10,984.52

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Solution

The fourth proportional to 15,458.96, 21,325.20 and 10,984.52 is: 15,152.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,458.96 : 21,325.20 = 10,984.52 : x
  2. Step 2: Convert to fraction form
    15,458.96/21,325.20 = 10,984.52/x
  3. Step 3: Cross multiply
    15,458.96x = 21,325.20 × 10,984.52
  4. Step 4: Simplify right side
    15,458.96x = 234,247,085.90
  5. Step 5: Solve for x
    x = 234,247,085.90/15,458.96
  6. Step 6: Final answer
    x = 15,152.84

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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.