Home / 14,746.73-20,348.19-8,457.89

Finding the Fourth Proportional to 14,746.73, 20,348.19 and 8,457.89

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Solution

The fourth proportional to 14,746.73, 20,348.19 and 8,457.89 is: 11,670.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,746.73 : 20,348.19 = 8,457.89 : x
  2. Step 2: Convert to fraction form
    14,746.73/20,348.19 = 8,457.89/x
  3. Step 3: Cross multiply
    14,746.73x = 20,348.19 × 8,457.89
  4. Step 4: Simplify right side
    14,746.73x = 172,102,752.72
  5. Step 5: Solve for x
    x = 172,102,752.72/14,746.73
  6. Step 6: Final answer
    x = 11,670.57

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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.