Home / 14,190.32-19,582.65-8,225.45

Finding the Fourth Proportional to 14,190.32, 19,582.65 and 8,225.45

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Solution

The fourth proportional to 14,190.32, 19,582.65 and 8,225.45 is: 11,351.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.32 : 19,582.65 = 8,225.45 : x
  2. Step 2: Convert to fraction form
    14,190.32/19,582.65 = 8,225.45/x
  3. Step 3: Cross multiply
    14,190.32x = 19,582.65 × 8,225.45
  4. Step 4: Simplify right side
    14,190.32x = 161,076,115.91
  5. Step 5: Solve for x
    x = 161,076,115.91/14,190.32
  6. Step 6: Final answer
    x = 11,351.12

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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.