Home / 14,387.46-19,852.90-8,012.45

Finding the Fourth Proportional to 14,387.46, 19,852.90 and 8,012.45

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Solution

The fourth proportional to 14,387.46, 19,852.90 and 8,012.45 is: 11,056.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387.46 : 19,852.90 = 8,012.45 : x
  2. Step 2: Convert to fraction form
    14,387.46/19,852.90 = 8,012.45/x
  3. Step 3: Cross multiply
    14,387.46x = 19,852.90 × 8,012.45
  4. Step 4: Simplify right side
    14,387.46x = 159,070,398.21
  5. Step 5: Solve for x
    x = 159,070,398.21/14,387.46
  6. Step 6: Final answer
    x = 11,056.19

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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.