Home / 19,038.56-26,271.84-10,540.40

Finding the Fourth Proportional to 19,038.56, 26,271.84 and 10,540.40

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Solution

The fourth proportional to 19,038.56, 26,271.84 and 10,540.40 is: 14,544.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038.56 : 26,271.84 = 10,540.40 : x
  2. Step 2: Convert to fraction form
    19,038.56/26,271.84 = 10,540.40/x
  3. Step 3: Cross multiply
    19,038.56x = 26,271.84 × 10,540.40
  4. Step 4: Simplify right side
    19,038.56x = 276,915,702.34
  5. Step 5: Solve for x
    x = 276,915,702.34/19,038.56
  6. Step 6: Final answer
    x = 14,544.99

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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.