Home / 19,281.11-26,607.74-10,783.13

Finding the Fourth Proportional to 19,281.11, 26,607.74 and 10,783.13

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Solution

The fourth proportional to 19,281.11, 26,607.74 and 10,783.13 is: 14,880.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281.11 : 26,607.74 = 10,783.13 : x
  2. Step 2: Convert to fraction form
    19,281.11/26,607.74 = 10,783.13/x
  3. Step 3: Cross multiply
    19,281.11x = 26,607.74 × 10,783.13
  4. Step 4: Simplify right side
    19,281.11x = 286,914,719.43
  5. Step 5: Solve for x
    x = 286,914,719.43/19,281.11
  6. Step 6: Final answer
    x = 14,880.61

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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.