Home / 14,668.78-22,004.88-5,313.20

Finding the Fourth Proportional to 14,668.78, 22,004.88 and 5,313.20

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Solution

The fourth proportional to 14,668.78, 22,004.88 and 5,313.20 is: 7,970.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,668.78 : 22,004.88 = 5,313.20 : x
  2. Step 2: Convert to fraction form
    14,668.78/22,004.88 = 5,313.20/x
  3. Step 3: Cross multiply
    14,668.78x = 22,004.88 × 5,313.20
  4. Step 4: Simplify right side
    14,668.78x = 116,916,328.42
  5. Step 5: Solve for x
    x = 116,916,328.42/14,668.78
  6. Step 6: Final answer
    x = 7,970.42

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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.