Home / 22,740.41-31,373.07-14,239.01

Finding the Fourth Proportional to 22,740.41, 31,373.07 and 14,239.01

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Solution

The fourth proportional to 22,740.41, 31,373.07 and 14,239.01 is: 19,644.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,740.41 : 31,373.07 = 14,239.01 : x
  2. Step 2: Convert to fraction form
    22,740.41/31,373.07 = 14,239.01/x
  3. Step 3: Cross multiply
    22,740.41x = 31,373.07 × 14,239.01
  4. Step 4: Simplify right side
    22,740.41x = 446,721,457.46
  5. Step 5: Solve for x
    x = 446,721,457.46/22,740.41
  6. Step 6: Final answer
    x = 19,644.39

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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.