Home / 15,870.79-23,780.26-10,008.55

Finding the Fourth Proportional to 15,870.79, 23,780.26 and 10,008.55

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Solution

The fourth proportional to 15,870.79, 23,780.26 and 10,008.55 is: 14,996.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,870.79 : 23,780.26 = 10,008.55 : x
  2. Step 2: Convert to fraction form
    15,870.79/23,780.26 = 10,008.55/x
  3. Step 3: Cross multiply
    15,870.79x = 23,780.26 × 10,008.55
  4. Step 4: Simplify right side
    15,870.79x = 238,005,921.22
  5. Step 5: Solve for x
    x = 238,005,921.22/15,870.79
  6. Step 6: Final answer
    x = 14,996.48

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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.