Home / 28,019.14-38,669.08-16,085.14

Finding the Fourth Proportional to 28,019.14, 38,669.08 and 16,085.14

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Solution

The fourth proportional to 28,019.14, 38,669.08 and 16,085.14 is: 22,199.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,019.14 : 38,669.08 = 16,085.14 : x
  2. Step 2: Convert to fraction form
    28,019.14/38,669.08 = 16,085.14/x
  3. Step 3: Cross multiply
    28,019.14x = 38,669.08 × 16,085.14
  4. Step 4: Simplify right side
    28,019.14x = 621,997,565.47
  5. Step 5: Solve for x
    x = 621,997,565.47/28,019.14
  6. Step 6: Final answer
    x = 22,199.02

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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.