Home / 14,720.94-20,312.67-9,056.61

Finding the Fourth Proportional to 14,720.94, 20,312.67 and 9,056.61

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Solution

The fourth proportional to 14,720.94, 20,312.67 and 9,056.61 is: 12,496.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.94 : 20,312.67 = 9,056.61 : x
  2. Step 2: Convert to fraction form
    14,720.94/20,312.67 = 9,056.61/x
  3. Step 3: Cross multiply
    14,720.94x = 20,312.67 × 9,056.61
  4. Step 4: Simplify right side
    14,720.94x = 183,963,964.21
  5. Step 5: Solve for x
    x = 183,963,964.21/14,720.94
  6. Step 6: Final answer
    x = 12,496.75

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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.