Home / 14,009.92-19,341.60-9,300.64

Finding the Fourth Proportional to 14,009.92, 19,341.60 and 9,300.64

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Solution

The fourth proportional to 14,009.92, 19,341.60 and 9,300.64 is: 12,840.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,009.92 : 19,341.60 = 9,300.64 : x
  2. Step 2: Convert to fraction form
    14,009.92/19,341.60 = 9,300.64/x
  3. Step 3: Cross multiply
    14,009.92x = 19,341.60 × 9,300.64
  4. Step 4: Simplify right side
    14,009.92x = 179,889,258.62
  5. Step 5: Solve for x
    x = 179,889,258.62/14,009.92
  6. Step 6: Final answer
    x = 12,840.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.