Home / 14,475.48-19,981.10-8,508.93

Finding the Fourth Proportional to 14,475.48, 19,981.10 and 8,508.93

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Solution

The fourth proportional to 14,475.48, 19,981.10 and 8,508.93 is: 11,745.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,475.48 : 19,981.10 = 8,508.93 : x
  2. Step 2: Convert to fraction form
    14,475.48/19,981.10 = 8,508.93/x
  3. Step 3: Cross multiply
    14,475.48x = 19,981.10 × 8,508.93
  4. Step 4: Simplify right side
    14,475.48x = 170,017,781.22
  5. Step 5: Solve for x
    x = 170,017,781.22/14,475.48
  6. Step 6: Final answer
    x = 11,745.23

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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.