Home / 26,477.47-39,696.98-12,430.27

Finding the Fourth Proportional to 26,477.47, 39,696.98 and 12,430.27

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Solution

The fourth proportional to 26,477.47, 39,696.98 and 12,430.27 is: 18,636.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,477.47 : 39,696.98 = 12,430.27 : x
  2. Step 2: Convert to fraction form
    26,477.47/39,696.98 = 12,430.27/x
  3. Step 3: Cross multiply
    26,477.47x = 39,696.98 × 12,430.27
  4. Step 4: Simplify right side
    26,477.47x = 493,444,167.05
  5. Step 5: Solve for x
    x = 493,444,167.05/26,477.47
  6. Step 6: Final answer
    x = 18,636.38

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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.