Home / 14,011.77-19,333.85-8,345.82

Finding the Fourth Proportional to 14,011.77, 19,333.85 and 8,345.82

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Solution

The fourth proportional to 14,011.77, 19,333.85 and 8,345.82 is: 11,515.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011.77 : 19,333.85 = 8,345.82 : x
  2. Step 2: Convert to fraction form
    14,011.77/19,333.85 = 8,345.82/x
  3. Step 3: Cross multiply
    14,011.77x = 19,333.85 × 8,345.82
  4. Step 4: Simplify right side
    14,011.77x = 161,356,790.28
  5. Step 5: Solve for x
    x = 161,356,790.28/14,011.77
  6. Step 6: Final answer
    x = 11,515.80

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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.