Home / 14,124.22-19,490.64-8,155.52

Finding the Fourth Proportional to 14,124.22, 19,490.64 and 8,155.52

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Solution

The fourth proportional to 14,124.22, 19,490.64 and 8,155.52 is: 11,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.22 : 19,490.64 = 8,155.52 : x
  2. Step 2: Convert to fraction form
    14,124.22/19,490.64 = 8,155.52/x
  3. Step 3: Cross multiply
    14,124.22x = 19,490.64 × 8,155.52
  4. Step 4: Simplify right side
    14,124.22x = 158,956,304.33
  5. Step 5: Solve for x
    x = 158,956,304.33/14,124.22
  6. Step 6: Final answer
    x = 11,254.17

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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.