Home / 25,886.61-38,822.40-10,088.12

Finding the Fourth Proportional to 25,886.61, 38,822.40 and 10,088.12

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Solution

The fourth proportional to 25,886.61, 38,822.40 and 10,088.12 is: 15,129.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,886.61 : 38,822.40 = 10,088.12 : x
  2. Step 2: Convert to fraction form
    25,886.61/38,822.40 = 10,088.12/x
  3. Step 3: Cross multiply
    25,886.61x = 38,822.40 × 10,088.12
  4. Step 4: Simplify right side
    25,886.61x = 391,645,029.89
  5. Step 5: Solve for x
    x = 391,645,029.89/25,886.61
  6. Step 6: Final answer
    x = 15,129.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.