Home / 14,719.78-22,079.93-4,190.08

Finding the Fourth Proportional to 14,719.78, 22,079.93 and 4,190.08

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Solution

The fourth proportional to 14,719.78, 22,079.93 and 4,190.08 is: 6,285.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,719.78 : 22,079.93 = 4,190.08 : x
  2. Step 2: Convert to fraction form
    14,719.78/22,079.93 = 4,190.08/x
  3. Step 3: Cross multiply
    14,719.78x = 22,079.93 × 4,190.08
  4. Step 4: Simplify right side
    14,719.78x = 92,516,541.74
  5. Step 5: Solve for x
    x = 92,516,541.74/14,719.78
  6. Step 6: Final answer
    x = 6,285.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.