Home / 19,739.34-27,242.13-10,788.16

Finding the Fourth Proportional to 19,739.34, 27,242.13 and 10,788.16

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Solution

The fourth proportional to 19,739.34, 27,242.13 and 10,788.16 is: 14,888.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.34 : 27,242.13 = 10,788.16 : x
  2. Step 2: Convert to fraction form
    19,739.34/27,242.13 = 10,788.16/x
  3. Step 3: Cross multiply
    19,739.34x = 27,242.13 × 10,788.16
  4. Step 4: Simplify right side
    19,739.34x = 293,892,457.18
  5. Step 5: Solve for x
    x = 293,892,457.18/19,739.34
  6. Step 6: Final answer
    x = 14,888.67

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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.