Home / 14,038.44-19,353.61-9,783.36

Finding the Fourth Proportional to 14,038.44, 19,353.61 and 9,783.36

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Solution

The fourth proportional to 14,038.44, 19,353.61 and 9,783.36 is: 13,487.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,038.44 : 19,353.61 = 9,783.36 : x
  2. Step 2: Convert to fraction form
    14,038.44/19,353.61 = 9,783.36/x
  3. Step 3: Cross multiply
    14,038.44x = 19,353.61 × 9,783.36
  4. Step 4: Simplify right side
    14,038.44x = 189,343,333.93
  5. Step 5: Solve for x
    x = 189,343,333.93/14,038.44
  6. Step 6: Final answer
    x = 13,487.49

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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.