Home / 15,075.81-22,615.65-5,586.84

Finding the Fourth Proportional to 15,075.81, 22,615.65 and 5,586.84

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Solution

The fourth proportional to 15,075.81, 22,615.65 and 5,586.84 is: 8,380.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,075.81 : 22,615.65 = 5,586.84 : x
  2. Step 2: Convert to fraction form
    15,075.81/22,615.65 = 5,586.84/x
  3. Step 3: Cross multiply
    15,075.81x = 22,615.65 × 5,586.84
  4. Step 4: Simplify right side
    15,075.81x = 126,350,018.05
  5. Step 5: Solve for x
    x = 126,350,018.05/15,075.81
  6. Step 6: Final answer
    x = 8,380.98

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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.