Home / 15,403.32-23,077.20-7,090.32

Finding the Fourth Proportional to 15,403.32, 23,077.20 and 7,090.32

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Solution

The fourth proportional to 15,403.32, 23,077.20 and 7,090.32 is: 10,622.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,403.32 : 23,077.20 = 7,090.32 : x
  2. Step 2: Convert to fraction form
    15,403.32/23,077.20 = 7,090.32/x
  3. Step 3: Cross multiply
    15,403.32x = 23,077.20 × 7,090.32
  4. Step 4: Simplify right side
    15,403.32x = 163,624,732.70
  5. Step 5: Solve for x
    x = 163,624,732.70/15,403.32
  6. Step 6: Final answer
    x = 10,622.69

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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.