Home / 25,985.52-35,858.07-15,373.08

Finding the Fourth Proportional to 25,985.52, 35,858.07 and 15,373.08

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Solution

The fourth proportional to 25,985.52, 35,858.07 and 15,373.08 is: 21,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,985.52 : 35,858.07 = 15,373.08 : x
  2. Step 2: Convert to fraction form
    25,985.52/35,858.07 = 15,373.08/x
  3. Step 3: Cross multiply
    25,985.52x = 35,858.07 × 15,373.08
  4. Step 4: Simplify right side
    25,985.52x = 551,248,978.76
  5. Step 5: Solve for x
    x = 551,248,978.76/25,985.52
  6. Step 6: Final answer
    x = 21,213.70

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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.