Home / 14,528.32-21,792.78-4,140.07

Finding the Fourth Proportional to 14,528.32, 21,792.78 and 4,140.07

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Solution

The fourth proportional to 14,528.32, 21,792.78 and 4,140.07 is: 6,210.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528.32 : 21,792.78 = 4,140.07 : x
  2. Step 2: Convert to fraction form
    14,528.32/21,792.78 = 4,140.07/x
  3. Step 3: Cross multiply
    14,528.32x = 21,792.78 × 4,140.07
  4. Step 4: Simplify right side
    14,528.32x = 90,223,634.69
  5. Step 5: Solve for x
    x = 90,223,634.69/14,528.32
  6. Step 6: Final answer
    x = 6,210.19

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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.