Home / 35,689.60-53,528.96-13,513.44

Finding the Fourth Proportional to 35,689.60, 53,528.96 and 13,513.44

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Solution

The fourth proportional to 35,689.60, 53,528.96 and 13,513.44 is: 20,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,689.60 : 53,528.96 = 13,513.44 : x
  2. Step 2: Convert to fraction form
    35,689.60/53,528.96 = 13,513.44/x
  3. Step 3: Cross multiply
    35,689.60x = 53,528.96 × 13,513.44
  4. Step 4: Simplify right side
    35,689.60x = 723,360,389.22
  5. Step 5: Solve for x
    x = 723,360,389.22/35,689.60
  6. Step 6: Final answer
    x = 20,268.10

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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.