Home / 24,969.42-34,457.57-13,638.91

Finding the Fourth Proportional to 24,969.42, 34,457.57 and 13,638.91

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Solution

The fourth proportional to 24,969.42, 34,457.57 and 13,638.91 is: 18,821.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,969.42 : 34,457.57 = 13,638.91 : x
  2. Step 2: Convert to fraction form
    24,969.42/34,457.57 = 13,638.91/x
  3. Step 3: Cross multiply
    24,969.42x = 34,457.57 × 13,638.91
  4. Step 4: Simplify right side
    24,969.42x = 469,963,627.85
  5. Step 5: Solve for x
    x = 469,963,627.85/24,969.42
  6. Step 6: Final answer
    x = 18,821.57

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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.