Home / 29,263.51-40,383.34-15,834.47

Finding the Fourth Proportional to 29,263.51, 40,383.34 and 15,834.47

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Solution

The fourth proportional to 29,263.51, 40,383.34 and 15,834.47 is: 21,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,263.51 : 40,383.34 = 15,834.47 : x
  2. Step 2: Convert to fraction form
    29,263.51/40,383.34 = 15,834.47/x
  3. Step 3: Cross multiply
    29,263.51x = 40,383.34 × 15,834.47
  4. Step 4: Simplify right side
    29,263.51x = 639,448,504.64
  5. Step 5: Solve for x
    x = 639,448,504.64/29,263.51
  6. Step 6: Final answer
    x = 21,851.40

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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.