Home / 22,610.09-31,212.64-15,068.99

Finding the Fourth Proportional to 22,610.09, 31,212.64 and 15,068.99

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Solution

The fourth proportional to 22,610.09, 31,212.64 and 15,068.99 is: 20,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,610.09 : 31,212.64 = 15,068.99 : x
  2. Step 2: Convert to fraction form
    22,610.09/31,212.64 = 15,068.99/x
  3. Step 3: Cross multiply
    22,610.09x = 31,212.64 × 15,068.99
  4. Step 4: Simplify right side
    22,610.09x = 470,343,056.90
  5. Step 5: Solve for x
    x = 470,343,056.90/22,610.09
  6. Step 6: Final answer
    x = 20,802.35

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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.