Home / 18,590.36-25,647.40-10,628.32

Finding the Fourth Proportional to 18,590.36, 25,647.40 and 10,628.32

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Solution

The fourth proportional to 18,590.36, 25,647.40 and 10,628.32 is: 14,662.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.36 : 25,647.40 = 10,628.32 : x
  2. Step 2: Convert to fraction form
    18,590.36/25,647.40 = 10,628.32/x
  3. Step 3: Cross multiply
    18,590.36x = 25,647.40 × 10,628.32
  4. Step 4: Simplify right side
    18,590.36x = 272,588,774.37
  5. Step 5: Solve for x
    x = 272,588,774.37/18,590.36
  6. Step 6: Final answer
    x = 14,662.91

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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.