Home / 28,133.90-38,820.03-17,526.86

Finding the Fourth Proportional to 28,133.90, 38,820.03 and 17,526.86

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Solution

The fourth proportional to 28,133.90, 38,820.03 and 17,526.86 is: 24,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,133.90 : 38,820.03 = 17,526.86 : x
  2. Step 2: Convert to fraction form
    28,133.90/38,820.03 = 17,526.86/x
  3. Step 3: Cross multiply
    28,133.90x = 38,820.03 × 17,526.86
  4. Step 4: Simplify right side
    28,133.90x = 680,393,231.01
  5. Step 5: Solve for x
    x = 680,393,231.01/28,133.90
  6. Step 6: Final answer
    x = 24,184.11

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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.