Home / 14,267.16-19,688.85-7,979.58

Finding the Fourth Proportional to 14,267.16, 19,688.85 and 7,979.58

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Solution

The fourth proportional to 14,267.16, 19,688.85 and 7,979.58 is: 11,011.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,267.16 : 19,688.85 = 7,979.58 : x
  2. Step 2: Convert to fraction form
    14,267.16/19,688.85 = 7,979.58/x
  3. Step 3: Cross multiply
    14,267.16x = 19,688.85 × 7,979.58
  4. Step 4: Simplify right side
    14,267.16x = 157,108,753.68
  5. Step 5: Solve for x
    x = 157,108,753.68/14,267.16
  6. Step 6: Final answer
    x = 11,011.92

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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.