Home / 18,828.48-25,985.52-10,445.52

Finding the Fourth Proportional to 18,828.48, 25,985.52 and 10,445.52

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Solution

The fourth proportional to 18,828.48, 25,985.52 and 10,445.52 is: 14,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828.48 : 25,985.52 = 10,445.52 : x
  2. Step 2: Convert to fraction form
    18,828.48/25,985.52 = 10,445.52/x
  3. Step 3: Cross multiply
    18,828.48x = 25,985.52 × 10,445.52
  4. Step 4: Simplify right side
    18,828.48x = 271,432,268.87
  5. Step 5: Solve for x
    x = 271,432,268.87/18,828.48
  6. Step 6: Final answer
    x = 14,416.05

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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.