Home / 19,022.30-28,526.45-6,538.77

Finding the Fourth Proportional to 19,022.30, 28,526.45 and 6,538.77

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Solution

The fourth proportional to 19,022.30, 28,526.45 and 6,538.77 is: 9,805.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,022.30 : 28,526.45 = 6,538.77 : x
  2. Step 2: Convert to fraction form
    19,022.30/28,526.45 = 6,538.77/x
  3. Step 3: Cross multiply
    19,022.30x = 28,526.45 × 6,538.77
  4. Step 4: Simplify right side
    19,022.30x = 186,527,862.77
  5. Step 5: Solve for x
    x = 186,527,862.77/19,022.30
  6. Step 6: Final answer
    x = 9,805.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.