Home / 18,151.74-25,044.93-11,075.58

Finding the Fourth Proportional to 18,151.74, 25,044.93 and 11,075.58

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Solution

The fourth proportional to 18,151.74, 25,044.93 and 11,075.58 is: 15,281.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.74 : 25,044.93 = 11,075.58 : x
  2. Step 2: Convert to fraction form
    18,151.74/25,044.93 = 11,075.58/x
  3. Step 3: Cross multiply
    18,151.74x = 25,044.93 × 11,075.58
  4. Step 4: Simplify right side
    18,151.74x = 277,387,125.81
  5. Step 5: Solve for x
    x = 277,387,125.81/18,151.74
  6. Step 6: Final answer
    x = 15,281.57

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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.