Home / 22,981.72-31,709.85-13,417.26

Finding the Fourth Proportional to 22,981.72, 31,709.85 and 13,417.26

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Solution

The fourth proportional to 22,981.72, 31,709.85 and 13,417.26 is: 18,512.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,981.72 : 31,709.85 = 13,417.26 : x
  2. Step 2: Convert to fraction form
    22,981.72/31,709.85 = 13,417.26/x
  3. Step 3: Cross multiply
    22,981.72x = 31,709.85 × 13,417.26
  4. Step 4: Simplify right side
    22,981.72x = 425,459,302.01
  5. Step 5: Solve for x
    x = 425,459,302.01/22,981.72
  6. Step 6: Final answer
    x = 18,512.94

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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.