Home / 14,270.01-21,409.20-6,374.40

Finding the Fourth Proportional to 14,270.01, 21,409.20 and 6,374.40

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Solution

The fourth proportional to 14,270.01, 21,409.20 and 6,374.40 is: 9,563.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.01 : 21,409.20 = 6,374.40 : x
  2. Step 2: Convert to fraction form
    14,270.01/21,409.20 = 6,374.40/x
  3. Step 3: Cross multiply
    14,270.01x = 21,409.20 × 6,374.40
  4. Step 4: Simplify right side
    14,270.01x = 136,470,804.48
  5. Step 5: Solve for x
    x = 136,470,804.48/14,270.01
  6. Step 6: Final answer
    x = 9,563.47

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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.