Home / 14,890.05-20,518.65-10,629.09

Finding the Fourth Proportional to 14,890.05, 20,518.65 and 10,629.09

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Solution

The fourth proportional to 14,890.05, 20,518.65 and 10,629.09 is: 14,647.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.05 : 20,518.65 = 10,629.09 : x
  2. Step 2: Convert to fraction form
    14,890.05/20,518.65 = 10,629.09/x
  3. Step 3: Cross multiply
    14,890.05x = 20,518.65 × 10,629.09
  4. Step 4: Simplify right side
    14,890.05x = 218,094,577.53
  5. Step 5: Solve for x
    x = 218,094,577.53/14,890.05
  6. Step 6: Final answer
    x = 14,647.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.