Home / 15,742.41-23,490.83-14,345.16

Finding the Fourth Proportional to 15,742.41, 23,490.83 and 14,345.16

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Solution

The fourth proportional to 15,742.41, 23,490.83 and 14,345.16 is: 21,405.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,742.41 : 23,490.83 = 14,345.16 : x
  2. Step 2: Convert to fraction form
    15,742.41/23,490.83 = 14,345.16/x
  3. Step 3: Cross multiply
    15,742.41x = 23,490.83 × 14,345.16
  4. Step 4: Simplify right side
    15,742.41x = 336,979,643.16
  5. Step 5: Solve for x
    x = 336,979,643.16/15,742.41
  6. Step 6: Final answer
    x = 21,405.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.