Home / 14,947.64-20,627.81-8,574.48

Finding the Fourth Proportional to 14,947.64, 20,627.81 and 8,574.48

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Solution

The fourth proportional to 14,947.64, 20,627.81 and 8,574.48 is: 11,832.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947.64 : 20,627.81 = 8,574.48 : x
  2. Step 2: Convert to fraction form
    14,947.64/20,627.81 = 8,574.48/x
  3. Step 3: Cross multiply
    14,947.64x = 20,627.81 × 8,574.48
  4. Step 4: Simplify right side
    14,947.64x = 176,872,744.29
  5. Step 5: Solve for x
    x = 176,872,744.29/14,947.64
  6. Step 6: Final answer
    x = 11,832.82

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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.