Home / 14,157.36-19,542.60-9,439.92

Finding the Fourth Proportional to 14,157.36, 19,542.60 and 9,439.92

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Solution

The fourth proportional to 14,157.36, 19,542.60 and 9,439.92 is: 13,030.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.36 : 19,542.60 = 9,439.92 : x
  2. Step 2: Convert to fraction form
    14,157.36/19,542.60 = 9,439.92/x
  3. Step 3: Cross multiply
    14,157.36x = 19,542.60 × 9,439.92
  4. Step 4: Simplify right side
    14,157.36x = 184,480,580.59
  5. Step 5: Solve for x
    x = 184,480,580.59/14,157.36
  6. Step 6: Final answer
    x = 13,030.72

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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.