Home / 14,106.45-21,133.73-8,840.47

Finding the Fourth Proportional to 14,106.45, 21,133.73 and 8,840.47

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Solution

The fourth proportional to 14,106.45, 21,133.73 and 8,840.47 is: 13,244.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.45 : 21,133.73 = 8,840.47 : x
  2. Step 2: Convert to fraction form
    14,106.45/21,133.73 = 8,840.47/x
  3. Step 3: Cross multiply
    14,106.45x = 21,133.73 × 8,840.47
  4. Step 4: Simplify right side
    14,106.45x = 186,832,158.16
  5. Step 5: Solve for x
    x = 186,832,158.16/14,106.45
  6. Step 6: Final answer
    x = 13,244.45

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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.