Home / 14,530.36-20,051.61-8,157.10

Finding the Fourth Proportional to 14,530.36, 20,051.61 and 8,157.10

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Solution

The fourth proportional to 14,530.36, 20,051.61 and 8,157.10 is: 11,256.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,530.36 : 20,051.61 = 8,157.10 : x
  2. Step 2: Convert to fraction form
    14,530.36/20,051.61 = 8,157.10/x
  3. Step 3: Cross multiply
    14,530.36x = 20,051.61 × 8,157.10
  4. Step 4: Simplify right side
    14,530.36x = 163,562,987.93
  5. Step 5: Solve for x
    x = 163,562,987.93/14,530.36
  6. Step 6: Final answer
    x = 11,256.64

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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.