Home / 14,045.40-21,068.10-5,282.28

Finding the Fourth Proportional to 14,045.40, 21,068.10 and 5,282.28

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Solution

The fourth proportional to 14,045.40, 21,068.10 and 5,282.28 is: 7,923.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.40 : 21,068.10 = 5,282.28 : x
  2. Step 2: Convert to fraction form
    14,045.40/21,068.10 = 5,282.28/x
  3. Step 3: Cross multiply
    14,045.40x = 21,068.10 × 5,282.28
  4. Step 4: Simplify right side
    14,045.40x = 111,287,603.27
  5. Step 5: Solve for x
    x = 111,287,603.27/14,045.40
  6. Step 6: Final answer
    x = 7,923.42

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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.