Home / 13,347.49-18,407.61-11,075.23

Finding the Fourth Proportional to 13,347.49, 18,407.61 and 11,075.23

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Solution

The fourth proportional to 13,347.49, 18,407.61 and 11,075.23 is: 15,273.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347.49 : 18,407.61 = 11,075.23 : x
  2. Step 2: Convert to fraction form
    13,347.49/18,407.61 = 11,075.23/x
  3. Step 3: Cross multiply
    13,347.49x = 18,407.61 × 11,075.23
  4. Step 4: Simplify right side
    13,347.49x = 203,868,514.50
  5. Step 5: Solve for x
    x = 203,868,514.50/13,347.49
  6. Step 6: Final answer
    x = 15,273.92

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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.