Home / 14,056.11-19,397.40-7,768.47

Finding the Fourth Proportional to 14,056.11, 19,397.40 and 7,768.47

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Solution

The fourth proportional to 14,056.11, 19,397.40 and 7,768.47 is: 10,720.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,056.11 : 19,397.40 = 7,768.47 : x
  2. Step 2: Convert to fraction form
    14,056.11/19,397.40 = 7,768.47/x
  3. Step 3: Cross multiply
    14,056.11x = 19,397.40 × 7,768.47
  4. Step 4: Simplify right side
    14,056.11x = 150,688,119.98
  5. Step 5: Solve for x
    x = 150,688,119.98/14,056.11
  6. Step 6: Final answer
    x = 10,720.47

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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.