Home / 19,155.51-26,434.35-10,772.01

Finding the Fourth Proportional to 19,155.51, 26,434.35 and 10,772.01

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Solution

The fourth proportional to 19,155.51, 26,434.35 and 10,772.01 is: 14,865.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.51 : 26,434.35 = 10,772.01 : x
  2. Step 2: Convert to fraction form
    19,155.51/26,434.35 = 10,772.01/x
  3. Step 3: Cross multiply
    19,155.51x = 26,434.35 × 10,772.01
  4. Step 4: Simplify right side
    19,155.51x = 284,751,082.54
  5. Step 5: Solve for x
    x = 284,751,082.54/19,155.51
  6. Step 6: Final answer
    x = 14,865.23

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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.