Home / 19,627.63-27,085.55-11,130.53

Finding the Fourth Proportional to 19,627.63, 27,085.55 and 11,130.53

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Solution

The fourth proportional to 19,627.63, 27,085.55 and 11,130.53 is: 15,359.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,627.63 : 27,085.55 = 11,130.53 : x
  2. Step 2: Convert to fraction form
    19,627.63/27,085.55 = 11,130.53/x
  3. Step 3: Cross multiply
    19,627.63x = 27,085.55 × 11,130.53
  4. Step 4: Simplify right side
    19,627.63x = 301,476,526.84
  5. Step 5: Solve for x
    x = 301,476,526.84/19,627.63
  6. Step 6: Final answer
    x = 15,359.80

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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.