Home / 13,424.43-18,514.40-10,075.08

Finding the Fourth Proportional to 13,424.43, 18,514.40 and 10,075.08

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Solution

The fourth proportional to 13,424.43, 18,514.40 and 10,075.08 is: 13,895.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,424.43 : 18,514.40 = 10,075.08 : x
  2. Step 2: Convert to fraction form
    13,424.43/18,514.40 = 10,075.08/x
  3. Step 3: Cross multiply
    13,424.43x = 18,514.40 × 10,075.08
  4. Step 4: Simplify right side
    13,424.43x = 186,534,010.78
  5. Step 5: Solve for x
    x = 186,534,010.78/13,424.43
  6. Step 6: Final answer
    x = 13,895.12

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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.