Home / 19,561.69-29,296.89-14,283.60

Finding the Fourth Proportional to 19,561.69, 29,296.89 and 14,283.60

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Solution

The fourth proportional to 19,561.69, 29,296.89 and 14,283.60 is: 21,392.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561.69 : 29,296.89 = 14,283.60 : x
  2. Step 2: Convert to fraction form
    19,561.69/29,296.89 = 14,283.60/x
  3. Step 3: Cross multiply
    19,561.69x = 29,296.89 × 14,283.60
  4. Step 4: Simplify right side
    19,561.69x = 418,465,130.38
  5. Step 5: Solve for x
    x = 418,465,130.38/19,561.69
  6. Step 6: Final answer
    x = 21,392.08

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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.