Home / 14,156.74-19,536.31-7,783.44

Finding the Fourth Proportional to 14,156.74, 19,536.31 and 7,783.44

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Solution

The fourth proportional to 14,156.74, 19,536.31 and 7,783.44 is: 10,741.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.74 : 19,536.31 = 7,783.44 : x
  2. Step 2: Convert to fraction form
    14,156.74/19,536.31 = 7,783.44/x
  3. Step 3: Cross multiply
    14,156.74x = 19,536.31 × 7,783.44
  4. Step 4: Simplify right side
    14,156.74x = 152,059,599.02
  5. Step 5: Solve for x
    x = 152,059,599.02/14,156.74
  6. Step 6: Final answer
    x = 10,741.15

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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.