Home / 19,219.64-26,527.36-12,144.68

Finding the Fourth Proportional to 19,219.64, 26,527.36 and 12,144.68

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Solution

The fourth proportional to 19,219.64, 26,527.36 and 12,144.68 is: 16,762.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.64 : 26,527.36 = 12,144.68 : x
  2. Step 2: Convert to fraction form
    19,219.64/26,527.36 = 12,144.68/x
  3. Step 3: Cross multiply
    19,219.64x = 26,527.36 × 12,144.68
  4. Step 4: Simplify right side
    19,219.64x = 322,166,298.44
  5. Step 5: Solve for x
    x = 322,166,298.44/19,219.64
  6. Step 6: Final answer
    x = 16,762.35

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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.