Home / 35,515.53-53,258.72-13,317.48

Finding the Fourth Proportional to 35,515.53, 53,258.72 and 13,317.48

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Solution

The fourth proportional to 35,515.53, 53,258.72 and 13,317.48 is: 19,970.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,515.53 : 53,258.72 = 13,317.48 : x
  2. Step 2: Convert to fraction form
    35,515.53/53,258.72 = 13,317.48/x
  3. Step 3: Cross multiply
    35,515.53x = 53,258.72 × 13,317.48
  4. Step 4: Simplify right side
    35,515.53x = 709,271,871.84
  5. Step 5: Solve for x
    x = 709,271,871.84/35,515.53
  6. Step 6: Final answer
    x = 19,970.75

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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.