Home / 22,980.72-31,708.47-13,416.26

Finding the Fourth Proportional to 22,980.72, 31,708.47 and 13,416.26

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Solution

The fourth proportional to 22,980.72, 31,708.47 and 13,416.26 is: 18,511.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,980.72 : 31,708.47 = 13,416.26 : x
  2. Step 2: Convert to fraction form
    22,980.72/31,708.47 = 13,416.26/x
  3. Step 3: Cross multiply
    22,980.72x = 31,708.47 × 13,416.26
  4. Step 4: Simplify right side
    22,980.72x = 425,409,156.99
  5. Step 5: Solve for x
    x = 425,409,156.99/22,980.72
  6. Step 6: Final answer
    x = 18,511.57

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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.