Home / 18,033.54-24,880.80-10,478.40

Finding the Fourth Proportional to 18,033.54, 24,880.80 and 10,478.40

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Solution

The fourth proportional to 18,033.54, 24,880.80 and 10,478.40 is: 14,457.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,033.54 : 24,880.80 = 10,478.40 : x
  2. Step 2: Convert to fraction form
    18,033.54/24,880.80 = 10,478.40/x
  3. Step 3: Cross multiply
    18,033.54x = 24,880.80 × 10,478.40
  4. Step 4: Simplify right side
    18,033.54x = 260,710,974.72
  5. Step 5: Solve for x
    x = 260,710,974.72/18,033.54
  6. Step 6: Final answer
    x = 14,457.00

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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.