Home / 13,365.42-18,432.10-11,476.42

Finding the Fourth Proportional to 13,365.42, 18,432.10 and 11,476.42

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Solution

The fourth proportional to 13,365.42, 18,432.10 and 11,476.42 is: 15,827.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.42 : 18,432.10 = 11,476.42 : x
  2. Step 2: Convert to fraction form
    13,365.42/18,432.10 = 11,476.42/x
  3. Step 3: Cross multiply
    13,365.42x = 18,432.10 × 11,476.42
  4. Step 4: Simplify right side
    13,365.42x = 211,534,521.08
  5. Step 5: Solve for x
    x = 211,534,521.08/13,365.42
  6. Step 6: Final answer
    x = 15,827.00

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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.