Home / 35,347.39-53,012.88-15,615.18

Finding the Fourth Proportional to 35,347.39, 53,012.88 and 15,615.18

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Solution

The fourth proportional to 35,347.39, 53,012.88 and 15,615.18 is: 23,419.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,347.39 : 53,012.88 = 15,615.18 : x
  2. Step 2: Convert to fraction form
    35,347.39/53,012.88 = 15,615.18/x
  3. Step 3: Cross multiply
    35,347.39x = 53,012.88 × 15,615.18
  4. Step 4: Simplify right side
    35,347.39x = 827,805,663.52
  5. Step 5: Solve for x
    x = 827,805,663.52/35,347.39
  6. Step 6: Final answer
    x = 23,419.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.