Home / 14,157.68-21,236.58-4,297.08

Finding the Fourth Proportional to 14,157.68, 21,236.58 and 4,297.08

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Solution

The fourth proportional to 14,157.68, 21,236.58 and 4,297.08 is: 6,445.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.68 : 21,236.58 = 4,297.08 : x
  2. Step 2: Convert to fraction form
    14,157.68/21,236.58 = 4,297.08/x
  3. Step 3: Cross multiply
    14,157.68x = 21,236.58 × 4,297.08
  4. Step 4: Simplify right side
    14,157.68x = 91,255,283.19
  5. Step 5: Solve for x
    x = 91,255,283.19/14,157.68
  6. Step 6: Final answer
    x = 6,445.64

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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.