Home / 25,003.08-34,501.14-15,445.08

Finding the Fourth Proportional to 25,003.08, 34,501.14 and 15,445.08

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Solution

The fourth proportional to 25,003.08, 34,501.14 and 15,445.08 is: 21,312.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,003.08 : 34,501.14 = 15,445.08 : x
  2. Step 2: Convert to fraction form
    25,003.08/34,501.14 = 15,445.08/x
  3. Step 3: Cross multiply
    25,003.08x = 34,501.14 × 15,445.08
  4. Step 4: Simplify right side
    25,003.08x = 532,872,867.39
  5. Step 5: Solve for x
    x = 532,872,867.39/25,003.08
  6. Step 6: Final answer
    x = 21,312.29

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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.