Home / 12,458.29-17,266.65-12,225.01

Finding the Fourth Proportional to 12,458.29, 17,266.65 and 12,225.01

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Solution

The fourth proportional to 12,458.29, 17,266.65 and 12,225.01 is: 16,943.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458.29 : 17,266.65 = 12,225.01 : x
  2. Step 2: Convert to fraction form
    12,458.29/17,266.65 = 12,225.01/x
  3. Step 3: Cross multiply
    12,458.29x = 17,266.65 × 12,225.01
  4. Step 4: Simplify right side
    12,458.29x = 211,084,821.46
  5. Step 5: Solve for x
    x = 211,084,821.46/12,458.29
  6. Step 6: Final answer
    x = 16,943.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.