Home / 14,045.30-19,386.24-8,077.63

Finding the Fourth Proportional to 14,045.30, 19,386.24 and 8,077.63

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Solution

The fourth proportional to 14,045.30, 19,386.24 and 8,077.63 is: 11,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.30 : 19,386.24 = 8,077.63 : x
  2. Step 2: Convert to fraction form
    14,045.30/19,386.24 = 8,077.63/x
  3. Step 3: Cross multiply
    14,045.30x = 19,386.24 × 8,077.63
  4. Step 4: Simplify right side
    14,045.30x = 156,594,873.81
  5. Step 5: Solve for x
    x = 156,594,873.81/14,045.30
  6. Step 6: Final answer
    x = 11,149.27

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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.