Home / 25,643.52-35,389.44-14,465.28

Finding the Fourth Proportional to 25,643.52, 35,389.44 and 14,465.28

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Solution

The fourth proportional to 25,643.52, 35,389.44 and 14,465.28 is: 19,962.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,643.52 : 35,389.44 = 14,465.28 : x
  2. Step 2: Convert to fraction form
    25,643.52/35,389.44 = 14,465.28/x
  3. Step 3: Cross multiply
    25,643.52x = 35,389.44 × 14,465.28
  4. Step 4: Simplify right side
    25,643.52x = 511,918,158.64
  5. Step 5: Solve for x
    x = 511,918,158.64/25,643.52
  6. Step 6: Final answer
    x = 19,962.87

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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.