Home / 14,421.24-19,901.88-8,452.08

Finding the Fourth Proportional to 14,421.24, 19,901.88 and 8,452.08

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Solution

The fourth proportional to 14,421.24, 19,901.88 and 8,452.08 is: 11,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421.24 : 19,901.88 = 8,452.08 : x
  2. Step 2: Convert to fraction form
    14,421.24/19,901.88 = 8,452.08/x
  3. Step 3: Cross multiply
    14,421.24x = 19,901.88 × 8,452.08
  4. Step 4: Simplify right side
    14,421.24x = 168,212,281.91
  5. Step 5: Solve for x
    x = 168,212,281.91/14,421.24
  6. Step 6: Final answer
    x = 11,664.20

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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.