Home / 14,899.48-20,559.78-8,931.04

Finding the Fourth Proportional to 14,899.48, 20,559.78 and 8,931.04

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Solution

The fourth proportional to 14,899.48, 20,559.78 and 8,931.04 is: 12,323.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,899.48 : 20,559.78 = 8,931.04 : x
  2. Step 2: Convert to fraction form
    14,899.48/20,559.78 = 8,931.04/x
  3. Step 3: Cross multiply
    14,899.48x = 20,559.78 × 8,931.04
  4. Step 4: Simplify right side
    14,899.48x = 183,620,217.57
  5. Step 5: Solve for x
    x = 183,620,217.57/14,899.48
  6. Step 6: Final answer
    x = 12,323.93

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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.