Home / 14,261.65-19,688.54-8,885.72

Finding the Fourth Proportional to 14,261.65, 19,688.54 and 8,885.72

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Solution

The fourth proportional to 14,261.65, 19,688.54 and 8,885.72 is: 12,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.65 : 19,688.54 = 8,885.72 : x
  2. Step 2: Convert to fraction form
    14,261.65/19,688.54 = 8,885.72/x
  3. Step 3: Cross multiply
    14,261.65x = 19,688.54 × 8,885.72
  4. Step 4: Simplify right side
    14,261.65x = 174,946,858.44
  5. Step 5: Solve for x
    x = 174,946,858.44/14,261.65
  6. Step 6: Final answer
    x = 12,266.95

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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.