Home / 25,857.18-35,680.32-14,527.98

Finding the Fourth Proportional to 25,857.18, 35,680.32 and 14,527.98

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Solution

The fourth proportional to 25,857.18, 35,680.32 and 14,527.98 is: 20,047.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,857.18 : 35,680.32 = 14,527.98 : x
  2. Step 2: Convert to fraction form
    25,857.18/35,680.32 = 14,527.98/x
  3. Step 3: Cross multiply
    25,857.18x = 35,680.32 × 14,527.98
  4. Step 4: Simplify right side
    25,857.18x = 518,362,975.35
  5. Step 5: Solve for x
    x = 518,362,975.35/25,857.18
  6. Step 6: Final answer
    x = 20,047.16

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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.