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Finding the Fourth Proportional to 14,041.46, 21,051.18 and 7,021.16

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Solution

The fourth proportional to 14,041.46, 21,051.18 and 7,021.16 is: 10,526.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,041.46 : 21,051.18 = 7,021.16 : x
  2. Step 2: Convert to fraction form
    14,041.46/21,051.18 = 7,021.16/x
  3. Step 3: Cross multiply
    14,041.46x = 21,051.18 × 7,021.16
  4. Step 4: Simplify right side
    14,041.46x = 147,803,702.97
  5. Step 5: Solve for x
    x = 147,803,702.97/14,041.46
  6. Step 6: Final answer
    x = 10,526.23

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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.