Home / 19,048.65-26,288.72-11,090.40

Finding the Fourth Proportional to 19,048.65, 26,288.72 and 11,090.40

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Solution

The fourth proportional to 19,048.65, 26,288.72 and 11,090.40 is: 15,305.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,048.65 : 26,288.72 = 11,090.40 : x
  2. Step 2: Convert to fraction form
    19,048.65/26,288.72 = 11,090.40/x
  3. Step 3: Cross multiply
    19,048.65x = 26,288.72 × 11,090.40
  4. Step 4: Simplify right side
    19,048.65x = 291,552,420.29
  5. Step 5: Solve for x
    x = 291,552,420.29/19,048.65
  6. Step 6: Final answer
    x = 15,305.67

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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.