Home / 19,271.15-26,598.47-11,715.88

Finding the Fourth Proportional to 19,271.15, 26,598.47 and 11,715.88

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Solution

The fourth proportional to 19,271.15, 26,598.47 and 11,715.88 is: 16,170.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,271.15 : 26,598.47 = 11,715.88 : x
  2. Step 2: Convert to fraction form
    19,271.15/26,598.47 = 11,715.88/x
  3. Step 3: Cross multiply
    19,271.15x = 26,598.47 × 11,715.88
  4. Step 4: Simplify right side
    19,271.15x = 311,624,349.71
  5. Step 5: Solve for x
    x = 311,624,349.71/19,271.15
  6. Step 6: Final answer
    x = 16,170.51

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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.