Home / 13,938.13-19,259.54-10,367.50

Finding the Fourth Proportional to 13,938.13, 19,259.54 and 10,367.50

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Solution

The fourth proportional to 13,938.13, 19,259.54 and 10,367.50 is: 14,325.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,938.13 : 19,259.54 = 10,367.50 : x
  2. Step 2: Convert to fraction form
    13,938.13/19,259.54 = 10,367.50/x
  3. Step 3: Cross multiply
    13,938.13x = 19,259.54 × 10,367.50
  4. Step 4: Simplify right side
    13,938.13x = 199,673,280.95
  5. Step 5: Solve for x
    x = 199,673,280.95/13,938.13
  6. Step 6: Final answer
    x = 14,325.69

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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.