Home / 19,270.17-26,588.39-11,312.01

Finding the Fourth Proportional to 19,270.17, 26,588.39 and 11,312.01

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Solution

The fourth proportional to 19,270.17, 26,588.39 and 11,312.01 is: 15,607.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.17 : 26,588.39 = 11,312.01 : x
  2. Step 2: Convert to fraction form
    19,270.17/26,588.39 = 11,312.01/x
  3. Step 3: Cross multiply
    19,270.17x = 26,588.39 × 11,312.01
  4. Step 4: Simplify right side
    19,270.17x = 300,768,077.00
  5. Step 5: Solve for x
    x = 300,768,077.00/19,270.17
  6. Step 6: Final answer
    x = 15,607.96

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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.