Home / 14,075.57-19,428.59-8,111.27

Finding the Fourth Proportional to 14,075.57, 19,428.59 and 8,111.27

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Solution

The fourth proportional to 14,075.57, 19,428.59 and 8,111.27 is: 11,196.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.57 : 19,428.59 = 8,111.27 : x
  2. Step 2: Convert to fraction form
    14,075.57/19,428.59 = 8,111.27/x
  3. Step 3: Cross multiply
    14,075.57x = 19,428.59 × 8,111.27
  4. Step 4: Simplify right side
    14,075.57x = 157,590,608.06
  5. Step 5: Solve for x
    x = 157,590,608.06/14,075.57
  6. Step 6: Final answer
    x = 11,196.04

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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.