Home / 14,570.06-21,870.27-12,914.70

Finding the Fourth Proportional to 14,570.06, 21,870.27 and 12,914.70

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Solution

The fourth proportional to 14,570.06, 21,870.27 and 12,914.70 is: 19,385.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,570.06 : 21,870.27 = 12,914.70 : x
  2. Step 2: Convert to fraction form
    14,570.06/21,870.27 = 12,914.70/x
  3. Step 3: Cross multiply
    14,570.06x = 21,870.27 × 12,914.70
  4. Step 4: Simplify right side
    14,570.06x = 282,447,975.97
  5. Step 5: Solve for x
    x = 282,447,975.97/14,570.06
  6. Step 6: Final answer
    x = 19,385.51

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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.