Home / 15,461.28-23,190.84-4,931.10

Finding the Fourth Proportional to 15,461.28, 23,190.84 and 4,931.10

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Solution

The fourth proportional to 15,461.28, 23,190.84 and 4,931.10 is: 7,396.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,461.28 : 23,190.84 = 4,931.10 : x
  2. Step 2: Convert to fraction form
    15,461.28/23,190.84 = 4,931.10/x
  3. Step 3: Cross multiply
    15,461.28x = 23,190.84 × 4,931.10
  4. Step 4: Simplify right side
    15,461.28x = 114,356,351.12
  5. Step 5: Solve for x
    x = 114,356,351.12/15,461.28
  6. Step 6: Final answer
    x = 7,396.31

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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.