Home / 14,007.41-21,005.64-6,210.75

Finding the Fourth Proportional to 14,007.41, 21,005.64 and 6,210.75

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Solution

The fourth proportional to 14,007.41, 21,005.64 and 6,210.75 is: 9,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.41 : 21,005.64 = 6,210.75 : x
  2. Step 2: Convert to fraction form
    14,007.41/21,005.64 = 6,210.75/x
  3. Step 3: Cross multiply
    14,007.41x = 21,005.64 × 6,210.75
  4. Step 4: Simplify right side
    14,007.41x = 130,460,778.63
  5. Step 5: Solve for x
    x = 130,460,778.63/14,007.41
  6. Step 6: Final answer
    x = 9,313.70

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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.