Home / 12,457.28-17,265.26-12,224.00

Finding the Fourth Proportional to 12,457.28, 17,265.26 and 12,224.00

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Solution

The fourth proportional to 12,457.28, 17,265.26 and 12,224.00 is: 16,941.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457.28 : 17,265.26 = 12,224.00 : x
  2. Step 2: Convert to fraction form
    12,457.28/17,265.26 = 12,224.00/x
  3. Step 3: Cross multiply
    12,457.28x = 17,265.26 × 12,224.00
  4. Step 4: Simplify right side
    12,457.28x = 211,050,543.20
  5. Step 5: Solve for x
    x = 211,050,543.20/12,457.28
  6. Step 6: Final answer
    x = 16,941.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.