Home / 14,973.30-20,661.51-8,258.50

Finding the Fourth Proportional to 14,973.30, 20,661.51 and 8,258.50

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Solution

The fourth proportional to 14,973.30, 20,661.51 and 8,258.50 is: 11,395.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,973.30 : 20,661.51 = 8,258.50 : x
  2. Step 2: Convert to fraction form
    14,973.30/20,661.51 = 8,258.50/x
  3. Step 3: Cross multiply
    14,973.30x = 20,661.51 × 8,258.50
  4. Step 4: Simplify right side
    14,973.30x = 170,633,100.98
  5. Step 5: Solve for x
    x = 170,633,100.98/14,973.30
  6. Step 6: Final answer
    x = 11,395.82

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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.