Home / 19,043.09-28,583.08-9,189.28

Finding the Fourth Proportional to 19,043.09, 28,583.08 and 9,189.28

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Solution

The fourth proportional to 19,043.09, 28,583.08 and 9,189.28 is: 13,792.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.09 : 28,583.08 = 9,189.28 : x
  2. Step 2: Convert to fraction form
    19,043.09/28,583.08 = 9,189.28/x
  3. Step 3: Cross multiply
    19,043.09x = 28,583.08 × 9,189.28
  4. Step 4: Simplify right side
    19,043.09x = 262,657,925.38
  5. Step 5: Solve for x
    x = 262,657,925.38/19,043.09
  6. Step 6: Final answer
    x = 13,792.82

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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.