Home / 38,373.12-57,556.08-12,075.84

Finding the Fourth Proportional to 38,373.12, 57,556.08 and 12,075.84

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Solution

The fourth proportional to 38,373.12, 57,556.08 and 12,075.84 is: 18,112.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,373.12 : 57,556.08 = 12,075.84 : x
  2. Step 2: Convert to fraction form
    38,373.12/57,556.08 = 12,075.84/x
  3. Step 3: Cross multiply
    38,373.12x = 57,556.08 × 12,075.84
  4. Step 4: Simplify right side
    38,373.12x = 695,038,013.11
  5. Step 5: Solve for x
    x = 695,038,013.11/38,373.12
  6. Step 6: Final answer
    x = 18,112.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.