Home / 14,542.74-20,070.77-8,574.94

Finding the Fourth Proportional to 14,542.74, 20,070.77 and 8,574.94

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Solution

The fourth proportional to 14,542.74, 20,070.77 and 8,574.94 is: 11,834.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,542.74 : 20,070.77 = 8,574.94 : x
  2. Step 2: Convert to fraction form
    14,542.74/20,070.77 = 8,574.94/x
  3. Step 3: Cross multiply
    14,542.74x = 20,070.77 × 8,574.94
  4. Step 4: Simplify right side
    14,542.74x = 172,105,648.50
  5. Step 5: Solve for x
    x = 172,105,648.50/14,542.74
  6. Step 6: Final answer
    x = 11,834.47

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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.