Home / 14,219.72-21,333.68-4,360.45

Finding the Fourth Proportional to 14,219.72, 21,333.68 and 4,360.45

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Solution

The fourth proportional to 14,219.72, 21,333.68 and 4,360.45 is: 6,541.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219.72 : 21,333.68 = 4,360.45 : x
  2. Step 2: Convert to fraction form
    14,219.72/21,333.68 = 4,360.45/x
  3. Step 3: Cross multiply
    14,219.72x = 21,333.68 × 4,360.45
  4. Step 4: Simplify right side
    14,219.72x = 93,024,444.96
  5. Step 5: Solve for x
    x = 93,024,444.96/14,219.72
  6. Step 6: Final answer
    x = 6,541.93

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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.