Home / 14,012.04-21,013.46-5,125.32

Finding the Fourth Proportional to 14,012.04, 21,013.46 and 5,125.32

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Solution

The fourth proportional to 14,012.04, 21,013.46 and 5,125.32 is: 7,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.04 : 21,013.46 = 5,125.32 : x
  2. Step 2: Convert to fraction form
    14,012.04/21,013.46 = 5,125.32/x
  3. Step 3: Cross multiply
    14,012.04x = 21,013.46 × 5,125.32
  4. Step 4: Simplify right side
    14,012.04x = 107,700,706.81
  5. Step 5: Solve for x
    x = 107,700,706.81/14,012.04
  6. Step 6: Final answer
    x = 7,686.30

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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.