Home / 14,860.32-20,510.28-8,571.84

Finding the Fourth Proportional to 14,860.32, 20,510.28 and 8,571.84

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Solution

The fourth proportional to 14,860.32, 20,510.28 and 8,571.84 is: 11,830.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,860.32 : 20,510.28 = 8,571.84 : x
  2. Step 2: Convert to fraction form
    14,860.32/20,510.28 = 8,571.84/x
  3. Step 3: Cross multiply
    14,860.32x = 20,510.28 × 8,571.84
  4. Step 4: Simplify right side
    14,860.32x = 175,810,838.52
  5. Step 5: Solve for x
    x = 175,810,838.52/14,860.32
  6. Step 6: Final answer
    x = 11,830.89

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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.