Home / 13,045.86-17,995.28-11,528.55

Finding the Fourth Proportional to 13,045.86, 17,995.28 and 11,528.55

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Solution

The fourth proportional to 13,045.86, 17,995.28 and 11,528.55 is: 15,902.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.86 : 17,995.28 = 11,528.55 : x
  2. Step 2: Convert to fraction form
    13,045.86/17,995.28 = 11,528.55/x
  3. Step 3: Cross multiply
    13,045.86x = 17,995.28 × 11,528.55
  4. Step 4: Simplify right side
    13,045.86x = 207,459,494.42
  5. Step 5: Solve for x
    x = 207,459,494.42/13,045.86
  6. Step 6: Final answer
    x = 15,902.32

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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.