Home / 19,154.29-26,431.36-10,656.43

Finding the Fourth Proportional to 19,154.29, 26,431.36 and 10,656.43

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Solution

The fourth proportional to 19,154.29, 26,431.36 and 10,656.43 is: 14,705.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154.29 : 26,431.36 = 10,656.43 : x
  2. Step 2: Convert to fraction form
    19,154.29/26,431.36 = 10,656.43/x
  3. Step 3: Cross multiply
    19,154.29x = 26,431.36 × 10,656.43
  4. Step 4: Simplify right side
    19,154.29x = 281,663,904.87
  5. Step 5: Solve for x
    x = 281,663,904.87/19,154.29
  6. Step 6: Final answer
    x = 14,705.00

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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.