Home / 14,077.56-19,426.92-7,790.28

Finding the Fourth Proportional to 14,077.56, 19,426.92 and 7,790.28

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Solution

The fourth proportional to 14,077.56, 19,426.92 and 7,790.28 is: 10,750.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077.56 : 19,426.92 = 7,790.28 : x
  2. Step 2: Convert to fraction form
    14,077.56/19,426.92 = 7,790.28/x
  3. Step 3: Cross multiply
    14,077.56x = 19,426.92 × 7,790.28
  4. Step 4: Simplify right side
    14,077.56x = 151,341,146.34
  5. Step 5: Solve for x
    x = 151,341,146.34/14,077.56
  6. Step 6: Final answer
    x = 10,750.52

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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.