Home / 19,673.67-27,159.72-13,333.75

Finding the Fourth Proportional to 19,673.67, 27,159.72 and 13,333.75

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Solution

The fourth proportional to 19,673.67, 27,159.72 and 13,333.75 is: 18,407.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,673.67 : 27,159.72 = 13,333.75 : x
  2. Step 2: Convert to fraction form
    19,673.67/27,159.72 = 13,333.75/x
  3. Step 3: Cross multiply
    19,673.67x = 27,159.72 × 13,333.75
  4. Step 4: Simplify right side
    19,673.67x = 362,140,916.55
  5. Step 5: Solve for x
    x = 362,140,916.55/19,673.67
  6. Step 6: Final answer
    x = 18,407.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.