Home / 19,060.72-26,312.92-12,697.90

Finding the Fourth Proportional to 19,060.72, 26,312.92 and 12,697.90

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Solution

The fourth proportional to 19,060.72, 26,312.92 and 12,697.90 is: 17,529.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,060.72 : 26,312.92 = 12,697.90 : x
  2. Step 2: Convert to fraction form
    19,060.72/26,312.92 = 12,697.90/x
  3. Step 3: Cross multiply
    19,060.72x = 26,312.92 × 12,697.90
  4. Step 4: Simplify right side
    19,060.72x = 334,118,826.87
  5. Step 5: Solve for x
    x = 334,118,826.87/19,060.72
  6. Step 6: Final answer
    x = 17,529.18

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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.