Home / 14,528.29-20,051.15-8,157.51

Finding the Fourth Proportional to 14,528.29, 20,051.15 and 8,157.51

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Solution

The fourth proportional to 14,528.29, 20,051.15 and 8,157.51 is: 11,258.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528.29 : 20,051.15 = 8,157.51 : x
  2. Step 2: Convert to fraction form
    14,528.29/20,051.15 = 8,157.51/x
  3. Step 3: Cross multiply
    14,528.29x = 20,051.15 × 8,157.51
  4. Step 4: Simplify right side
    14,528.29x = 163,567,415.85
  5. Step 5: Solve for x
    x = 163,567,415.85/14,528.29
  6. Step 6: Final answer
    x = 11,258.55

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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.