Home / 20,075.07-30,116.72-6,925.73

Finding the Fourth Proportional to 20,075.07, 30,116.72 and 6,925.73

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Solution

The fourth proportional to 20,075.07, 30,116.72 and 6,925.73 is: 10,390.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,075.07 : 30,116.72 = 6,925.73 : x
  2. Step 2: Convert to fraction form
    20,075.07/30,116.72 = 6,925.73/x
  3. Step 3: Cross multiply
    20,075.07x = 30,116.72 × 6,925.73
  4. Step 4: Simplify right side
    20,075.07x = 208,580,271.21
  5. Step 5: Solve for x
    x = 208,580,271.21/20,075.07
  6. Step 6: Final answer
    x = 10,390.01

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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.