Home / 28,052.03-38,700.21-19,559.18

Finding the Fourth Proportional to 28,052.03, 38,700.21 and 19,559.18

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Solution

The fourth proportional to 28,052.03, 38,700.21 and 19,559.18 is: 26,983.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052.03 : 38,700.21 = 19,559.18 : x
  2. Step 2: Convert to fraction form
    28,052.03/38,700.21 = 19,559.18/x
  3. Step 3: Cross multiply
    28,052.03x = 38,700.21 × 19,559.18
  4. Step 4: Simplify right side
    28,052.03x = 756,944,543.53
  5. Step 5: Solve for x
    x = 756,944,543.53/28,052.03
  6. Step 6: Final answer
    x = 26,983.59

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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.