Home / 14,880.11-20,531.68-9,574.20

Finding the Fourth Proportional to 14,880.11, 20,531.68 and 9,574.20

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Solution

The fourth proportional to 14,880.11, 20,531.68 and 9,574.20 is: 13,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,880.11 : 20,531.68 = 9,574.20 : x
  2. Step 2: Convert to fraction form
    14,880.11/20,531.68 = 9,574.20/x
  3. Step 3: Cross multiply
    14,880.11x = 20,531.68 × 9,574.20
  4. Step 4: Simplify right side
    14,880.11x = 196,574,386.72
  5. Step 5: Solve for x
    x = 196,574,386.72/14,880.11
  6. Step 6: Final answer
    x = 13,210.55

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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.