Home / 35,681.40-53,522.64-13,505.22

Finding the Fourth Proportional to 35,681.40, 53,522.64 and 13,505.22

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Solution

The fourth proportional to 35,681.40, 53,522.64 and 13,505.22 is: 20,258.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,681.40 : 53,522.64 = 13,505.22 : x
  2. Step 2: Convert to fraction form
    35,681.40/53,522.64 = 13,505.22/x
  3. Step 3: Cross multiply
    35,681.40x = 53,522.64 × 13,505.22
  4. Step 4: Simplify right side
    35,681.40x = 722,835,028.18
  5. Step 5: Solve for x
    x = 722,835,028.18/35,681.40
  6. Step 6: Final answer
    x = 20,258.03

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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.