Home / 14,123.10-21,184.65-10,842.60

Finding the Fourth Proportional to 14,123.10, 21,184.65 and 10,842.60

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Solution

The fourth proportional to 14,123.10, 21,184.65 and 10,842.60 is: 16,263.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.10 : 21,184.65 = 10,842.60 : x
  2. Step 2: Convert to fraction form
    14,123.10/21,184.65 = 10,842.60/x
  3. Step 3: Cross multiply
    14,123.10x = 21,184.65 × 10,842.60
  4. Step 4: Simplify right side
    14,123.10x = 229,696,686.09
  5. Step 5: Solve for x
    x = 229,696,686.09/14,123.10
  6. Step 6: Final answer
    x = 16,263.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.