Home / 23,990.34-33,106.26-13,920.48

Finding the Fourth Proportional to 23,990.34, 33,106.26 and 13,920.48

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Solution

The fourth proportional to 23,990.34, 33,106.26 and 13,920.48 is: 19,210.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,990.34 : 33,106.26 = 13,920.48 : x
  2. Step 2: Convert to fraction form
    23,990.34/33,106.26 = 13,920.48/x
  3. Step 3: Cross multiply
    23,990.34x = 33,106.26 × 13,920.48
  4. Step 4: Simplify right side
    23,990.34x = 460,855,030.20
  5. Step 5: Solve for x
    x = 460,855,030.20/23,990.34
  6. Step 6: Final answer
    x = 19,210.02

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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.