Home / 19,153.72-26,421.35-11,495.03

Finding the Fourth Proportional to 19,153.72, 26,421.35 and 11,495.03

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Solution

The fourth proportional to 19,153.72, 26,421.35 and 11,495.03 is: 15,856.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.72 : 26,421.35 = 11,495.03 : x
  2. Step 2: Convert to fraction form
    19,153.72/26,421.35 = 11,495.03/x
  3. Step 3: Cross multiply
    19,153.72x = 26,421.35 × 11,495.03
  4. Step 4: Simplify right side
    19,153.72x = 303,714,210.89
  5. Step 5: Solve for x
    x = 303,714,210.89/19,153.72
  6. Step 6: Final answer
    x = 15,856.67

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Double scale
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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.