Home / 14,101.92-19,461.36-7,814.16

Finding the Fourth Proportional to 14,101.92, 19,461.36 and 7,814.16

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Solution

The fourth proportional to 14,101.92, 19,461.36 and 7,814.16 is: 10,783.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.92 : 19,461.36 = 7,814.16 : x
  2. Step 2: Convert to fraction form
    14,101.92/19,461.36 = 7,814.16/x
  3. Step 3: Cross multiply
    14,101.92x = 19,461.36 × 7,814.16
  4. Step 4: Simplify right side
    14,101.92x = 152,074,180.86
  5. Step 5: Solve for x
    x = 152,074,180.86/14,101.92
  6. Step 6: Final answer
    x = 10,783.93

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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.