Home / 16,668.16-25,002.54-5,574.90

Finding the Fourth Proportional to 16,668.16, 25,002.54 and 5,574.90

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Solution

The fourth proportional to 16,668.16, 25,002.54 and 5,574.90 is: 8,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,668.16 : 25,002.54 = 5,574.90 : x
  2. Step 2: Convert to fraction form
    16,668.16/25,002.54 = 5,574.90/x
  3. Step 3: Cross multiply
    16,668.16x = 25,002.54 × 5,574.90
  4. Step 4: Simplify right side
    16,668.16x = 139,386,660.25
  5. Step 5: Solve for x
    x = 139,386,660.25/16,668.16
  6. Step 6: Final answer
    x = 8,362.45

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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.