Home / 14,334.40-21,527.20-10,443.20

Finding the Fourth Proportional to 14,334.40, 21,527.20 and 10,443.20

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Solution

The fourth proportional to 14,334.40, 21,527.20 and 10,443.20 is: 15,683.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,334.40 : 21,527.20 = 10,443.20 : x
  2. Step 2: Convert to fraction form
    14,334.40/21,527.20 = 10,443.20/x
  3. Step 3: Cross multiply
    14,334.40x = 21,527.20 × 10,443.20
  4. Step 4: Simplify right side
    14,334.40x = 224,812,855.04
  5. Step 5: Solve for x
    x = 224,812,855.04/14,334.40
  6. Step 6: Final answer
    x = 15,683.45

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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.