Home / 13,817.68-19,075.98-10,289.32

Finding the Fourth Proportional to 13,817.68, 19,075.98 and 10,289.32

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Solution

The fourth proportional to 13,817.68, 19,075.98 and 10,289.32 is: 14,204.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817.68 : 19,075.98 = 10,289.32 : x
  2. Step 2: Convert to fraction form
    13,817.68/19,075.98 = 10,289.32/x
  3. Step 3: Cross multiply
    13,817.68x = 19,075.98 × 10,289.32
  4. Step 4: Simplify right side
    13,817.68x = 196,278,862.53
  5. Step 5: Solve for x
    x = 196,278,862.53/13,817.68
  6. Step 6: Final answer
    x = 14,204.91

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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.