Home / 13,423.43-18,541.77-10,217.25

Finding the Fourth Proportional to 13,423.43, 18,541.77 and 10,217.25

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Solution

The fourth proportional to 13,423.43, 18,541.77 and 10,217.25 is: 14,113.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423.43 : 18,541.77 = 10,217.25 : x
  2. Step 2: Convert to fraction form
    13,423.43/18,541.77 = 10,217.25/x
  3. Step 3: Cross multiply
    13,423.43x = 18,541.77 × 10,217.25
  4. Step 4: Simplify right side
    13,423.43x = 189,445,899.53
  5. Step 5: Solve for x
    x = 189,445,899.53/13,423.43
  6. Step 6: Final answer
    x = 14,113.08

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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.