Home / 25,090.64-34,623.20-13,758.32

Finding the Fourth Proportional to 25,090.64, 34,623.20 and 13,758.32

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Solution

The fourth proportional to 25,090.64, 34,623.20 and 13,758.32 is: 18,985.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,090.64 : 34,623.20 = 13,758.32 : x
  2. Step 2: Convert to fraction form
    25,090.64/34,623.20 = 13,758.32/x
  3. Step 3: Cross multiply
    25,090.64x = 34,623.20 × 13,758.32
  4. Step 4: Simplify right side
    25,090.64x = 476,357,065.02
  5. Step 5: Solve for x
    x = 476,357,065.02/25,090.64
  6. Step 6: Final answer
    x = 18,985.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.