Home / 19,036.16-28,534.80-9,658.88

Finding the Fourth Proportional to 19,036.16, 28,534.80 and 9,658.88

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Solution

The fourth proportional to 19,036.16, 28,534.80 and 9,658.88 is: 14,478.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,036.16 : 28,534.80 = 9,658.88 : x
  2. Step 2: Convert to fraction form
    19,036.16/28,534.80 = 9,658.88/x
  3. Step 3: Cross multiply
    19,036.16x = 28,534.80 × 9,658.88
  4. Step 4: Simplify right side
    19,036.16x = 275,614,209.02
  5. Step 5: Solve for x
    x = 275,614,209.02/19,036.16
  6. Step 6: Final answer
    x = 14,478.46

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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.