Home / 14,331.48-19,761.48-9,289.08

Finding the Fourth Proportional to 14,331.48, 19,761.48 and 9,289.08

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Solution

The fourth proportional to 14,331.48, 19,761.48 and 9,289.08 is: 12,808.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331.48 : 19,761.48 = 9,289.08 : x
  2. Step 2: Convert to fraction form
    14,331.48/19,761.48 = 9,289.08/x
  3. Step 3: Cross multiply
    14,331.48x = 19,761.48 × 9,289.08
  4. Step 4: Simplify right side
    14,331.48x = 183,565,968.64
  5. Step 5: Solve for x
    x = 183,565,968.64/14,331.48
  6. Step 6: Final answer
    x = 12,808.58

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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.