Home / 19,627.30-27,075.16-13,648.59

Finding the Fourth Proportional to 19,627.30, 27,075.16 and 13,648.59

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Solution

The fourth proportional to 19,627.30, 27,075.16 and 13,648.59 is: 18,827.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,627.30 : 27,075.16 = 13,648.59 : x
  2. Step 2: Convert to fraction form
    19,627.30/27,075.16 = 13,648.59/x
  3. Step 3: Cross multiply
    19,627.30x = 27,075.16 × 13,648.59
  4. Step 4: Simplify right side
    19,627.30x = 369,537,775.09
  5. Step 5: Solve for x
    x = 369,537,775.09/19,627.30
  6. Step 6: Final answer
    x = 18,827.74

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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.