Home / 22,616.84-31,225.40-14,564.51

Finding the Fourth Proportional to 22,616.84, 31,225.40 and 14,564.51

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Solution

The fourth proportional to 22,616.84, 31,225.40 and 14,564.51 is: 20,108.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,616.84 : 31,225.40 = 14,564.51 : x
  2. Step 2: Convert to fraction form
    22,616.84/31,225.40 = 14,564.51/x
  3. Step 3: Cross multiply
    22,616.84x = 31,225.40 × 14,564.51
  4. Step 4: Simplify right side
    22,616.84x = 454,782,421.60
  5. Step 5: Solve for x
    x = 454,782,421.60/22,616.84
  6. Step 6: Final answer
    x = 20,108.14

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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.