Home / 19,513.32-26,928.12-10,899.64

Finding the Fourth Proportional to 19,513.32, 26,928.12 and 10,899.64

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Solution

The fourth proportional to 19,513.32, 26,928.12 and 10,899.64 is: 15,041.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513.32 : 26,928.12 = 10,899.64 : x
  2. Step 2: Convert to fraction form
    19,513.32/26,928.12 = 10,899.64/x
  3. Step 3: Cross multiply
    19,513.32x = 26,928.12 × 10,899.64
  4. Step 4: Simplify right side
    19,513.32x = 293,506,813.88
  5. Step 5: Solve for x
    x = 293,506,813.88/19,513.32
  6. Step 6: Final answer
    x = 15,041.36

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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.