Home / 14,407.28-21,613.52-7,011.74

Finding the Fourth Proportional to 14,407.28, 21,613.52 and 7,011.74

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Solution

The fourth proportional to 14,407.28, 21,613.52 and 7,011.74 is: 10,518.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,407.28 : 21,613.52 = 7,011.74 : x
  2. Step 2: Convert to fraction form
    14,407.28/21,613.52 = 7,011.74/x
  3. Step 3: Cross multiply
    14,407.28x = 21,613.52 × 7,011.74
  4. Step 4: Simplify right side
    14,407.28x = 151,548,292.19
  5. Step 5: Solve for x
    x = 151,548,292.19/14,407.28
  6. Step 6: Final answer
    x = 10,518.87

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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.