Home / 19,513.42-26,928.56-10,561.01

Finding the Fourth Proportional to 19,513.42, 26,928.56 and 10,561.01

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Solution

The fourth proportional to 19,513.42, 26,928.56 and 10,561.01 is: 14,574.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,513.42 : 26,928.56 = 10,561.01 : x
  2. Step 2: Convert to fraction form
    19,513.42/26,928.56 = 10,561.01/x
  3. Step 3: Cross multiply
    19,513.42x = 26,928.56 × 10,561.01
  4. Step 4: Simplify right side
    19,513.42x = 284,392,683.21
  5. Step 5: Solve for x
    x = 284,392,683.21/19,513.42
  6. Step 6: Final answer
    x = 14,574.21

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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.