Home / 15,718.12-23,577.18-9,878.83

Finding the Fourth Proportional to 15,718.12, 23,577.18 and 9,878.83

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Solution

The fourth proportional to 15,718.12, 23,577.18 and 9,878.83 is: 14,818.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,718.12 : 23,577.18 = 9,878.83 : x
  2. Step 2: Convert to fraction form
    15,718.12/23,577.18 = 9,878.83/x
  3. Step 3: Cross multiply
    15,718.12x = 23,577.18 × 9,878.83
  4. Step 4: Simplify right side
    15,718.12x = 232,914,953.10
  5. Step 5: Solve for x
    x = 232,914,953.10/15,718.12
  6. Step 6: Final answer
    x = 14,818.25

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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.