Home / 14,426.40-21,640.86-4,038.18

Finding the Fourth Proportional to 14,426.40, 21,640.86 and 4,038.18

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Solution

The fourth proportional to 14,426.40, 21,640.86 and 4,038.18 is: 6,057.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,426.40 : 21,640.86 = 4,038.18 : x
  2. Step 2: Convert to fraction form
    14,426.40/21,640.86 = 4,038.18/x
  3. Step 3: Cross multiply
    14,426.40x = 21,640.86 × 4,038.18
  4. Step 4: Simplify right side
    14,426.40x = 87,389,688.03
  5. Step 5: Solve for x
    x = 87,389,688.03/14,426.40
  6. Step 6: Final answer
    x = 6,057.62

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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.