Home / 22,746.58-31,390.40-13,192.13

Finding the Fourth Proportional to 22,746.58, 31,390.40 and 13,192.13

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Solution

The fourth proportional to 22,746.58, 31,390.40 and 13,192.13 is: 18,205.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,746.58 : 31,390.40 = 13,192.13 : x
  2. Step 2: Convert to fraction form
    22,746.58/31,390.40 = 13,192.13/x
  3. Step 3: Cross multiply
    22,746.58x = 31,390.40 × 13,192.13
  4. Step 4: Simplify right side
    22,746.58x = 414,106,080.60
  5. Step 5: Solve for x
    x = 414,106,080.60/22,746.58
  6. Step 6: Final answer
    x = 18,205.21

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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.