Home / 21,619.25-32,411.26-14,510.81

Finding the Fourth Proportional to 21,619.25, 32,411.26 and 14,510.81

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Solution

The fourth proportional to 21,619.25, 32,411.26 and 14,510.81 is: 21,754.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,619.25 : 32,411.26 = 14,510.81 : x
  2. Step 2: Convert to fraction form
    21,619.25/32,411.26 = 14,510.81/x
  3. Step 3: Cross multiply
    21,619.25x = 32,411.26 × 14,510.81
  4. Step 4: Simplify right side
    21,619.25x = 470,313,680.47
  5. Step 5: Solve for x
    x = 470,313,680.47/21,619.25
  6. Step 6: Final answer
    x = 21,754.40

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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.