Home / 14,947.17-20,619.51-9,285.27

Finding the Fourth Proportional to 14,947.17, 20,619.51 and 9,285.27

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Solution

The fourth proportional to 14,947.17, 20,619.51 and 9,285.27 is: 12,808.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947.17 : 20,619.51 = 9,285.27 : x
  2. Step 2: Convert to fraction form
    14,947.17/20,619.51 = 9,285.27/x
  3. Step 3: Cross multiply
    14,947.17x = 20,619.51 × 9,285.27
  4. Step 4: Simplify right side
    14,947.17x = 191,457,717.62
  5. Step 5: Solve for x
    x = 191,457,717.62/14,947.17
  6. Step 6: Final answer
    x = 12,808.96

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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.