Home / 14,102.46-19,461.36-7,814.88

Finding the Fourth Proportional to 14,102.46, 19,461.36 and 7,814.88

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Solution

The fourth proportional to 14,102.46, 19,461.36 and 7,814.88 is: 10,784.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.46 : 19,461.36 = 7,814.88 : x
  2. Step 2: Convert to fraction form
    14,102.46/19,461.36 = 7,814.88/x
  3. Step 3: Cross multiply
    14,102.46x = 19,461.36 × 7,814.88
  4. Step 4: Simplify right side
    14,102.46x = 152,088,193.04
  5. Step 5: Solve for x
    x = 152,088,193.04/14,102.46
  6. Step 6: Final answer
    x = 10,784.52

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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.