Home / 19,032.59-28,532.47-9,158.28

Finding the Fourth Proportional to 19,032.59, 28,532.47 and 9,158.28

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Solution

The fourth proportional to 19,032.59, 28,532.47 and 9,158.28 is: 13,729.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,032.59 : 28,532.47 = 9,158.28 : x
  2. Step 2: Convert to fraction form
    19,032.59/28,532.47 = 9,158.28/x
  3. Step 3: Cross multiply
    19,032.59x = 28,532.47 × 9,158.28
  4. Step 4: Simplify right side
    19,032.59x = 261,308,326.46
  5. Step 5: Solve for x
    x = 261,308,326.46/19,032.59
  6. Step 6: Final answer
    x = 13,729.52

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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.