Home / 14,102.01-21,153.31-4,742.32

Finding the Fourth Proportional to 14,102.01, 21,153.31 and 4,742.32

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Solution

The fourth proportional to 14,102.01, 21,153.31 and 4,742.32 is: 7,113.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.01 : 21,153.31 = 4,742.32 : x
  2. Step 2: Convert to fraction form
    14,102.01/21,153.31 = 4,742.32/x
  3. Step 3: Cross multiply
    14,102.01x = 21,153.31 × 4,742.32
  4. Step 4: Simplify right side
    14,102.01x = 100,315,765.08
  5. Step 5: Solve for x
    x = 100,315,765.08/14,102.01
  6. Step 6: Final answer
    x = 7,113.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.