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Finding the Fourth Proportional to 14,423, 19,885.71 and 12,036.41

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Solution

The fourth proportional to 14,423, 19,885.71 and 12,036.41 is: 16,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423 : 19,885.71 = 12,036.41 : x
  2. Step 2: Convert to fraction form
    14,423/19,885.71 = 12,036.41/x
  3. Step 3: Cross multiply
    14,423x = 19,885.71 × 12,036.41
  4. Step 4: Simplify right side
    14,423x = 239,352,558.70
  5. Step 5: Solve for x
    x = 239,352,558.70/14,423
  6. Step 6: Final answer
    x = 16,595.20

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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.