Home / 23,075.76-31,855.18-13,514.32

Finding the Fourth Proportional to 23,075.76, 31,855.18 and 13,514.32

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Solution

The fourth proportional to 23,075.76, 31,855.18 and 13,514.32 is: 18,655.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,075.76 : 31,855.18 = 13,514.32 : x
  2. Step 2: Convert to fraction form
    23,075.76/31,855.18 = 13,514.32/x
  3. Step 3: Cross multiply
    23,075.76x = 31,855.18 × 13,514.32
  4. Step 4: Simplify right side
    23,075.76x = 430,500,982.75
  5. Step 5: Solve for x
    x = 430,500,982.75/23,075.76
  6. Step 6: Final answer
    x = 18,655.98

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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.