Home / 14,006.48-19,331.18-8,970.44

Finding the Fourth Proportional to 14,006.48, 19,331.18 and 8,970.44

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Solution

The fourth proportional to 14,006.48, 19,331.18 and 8,970.44 is: 12,380.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.48 : 19,331.18 = 8,970.44 : x
  2. Step 2: Convert to fraction form
    14,006.48/19,331.18 = 8,970.44/x
  3. Step 3: Cross multiply
    14,006.48x = 19,331.18 × 8,970.44
  4. Step 4: Simplify right side
    14,006.48x = 173,409,048.81
  5. Step 5: Solve for x
    x = 173,409,048.81/14,006.48
  6. Step 6: Final answer
    x = 12,380.63

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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.