Home / 15,141.96-22,681.08-14,116.68

Finding the Fourth Proportional to 15,141.96, 22,681.08 and 14,116.68

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Solution

The fourth proportional to 15,141.96, 22,681.08 and 14,116.68 is: 21,145.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141.96 : 22,681.08 = 14,116.68 : x
  2. Step 2: Convert to fraction form
    15,141.96/22,681.08 = 14,116.68/x
  3. Step 3: Cross multiply
    15,141.96x = 22,681.08 × 14,116.68
  4. Step 4: Simplify right side
    15,141.96x = 320,181,548.41
  5. Step 5: Solve for x
    x = 320,181,548.41/15,141.96
  6. Step 6: Final answer
    x = 21,145.32

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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.