Home / 35,515.08-53,258.70-13,316.35

Finding the Fourth Proportional to 35,515.08, 53,258.70 and 13,316.35

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Solution

The fourth proportional to 35,515.08, 53,258.70 and 13,316.35 is: 19,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,515.08 : 53,258.70 = 13,316.35 : x
  2. Step 2: Convert to fraction form
    35,515.08/53,258.70 = 13,316.35/x
  3. Step 3: Cross multiply
    35,515.08x = 53,258.70 × 13,316.35
  4. Step 4: Simplify right side
    35,515.08x = 709,211,489.75
  5. Step 5: Solve for x
    x = 709,211,489.75/35,515.08
  6. Step 6: Final answer
    x = 19,969.31

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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.