Home / 19,140.72-26,412.40-17,730.10

Finding the Fourth Proportional to 19,140.72, 26,412.40 and 17,730.10

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Solution

The fourth proportional to 19,140.72, 26,412.40 and 17,730.10 is: 24,465.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,140.72 : 26,412.40 = 17,730.10 : x
  2. Step 2: Convert to fraction form
    19,140.72/26,412.40 = 17,730.10/x
  3. Step 3: Cross multiply
    19,140.72x = 26,412.40 × 17,730.10
  4. Step 4: Simplify right side
    19,140.72x = 468,294,493.24
  5. Step 5: Solve for x
    x = 468,294,493.24/19,140.72
  6. Step 6: Final answer
    x = 24,465.88

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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.