Home / 19,557.20-29,314.20-10,798.40

Finding the Fourth Proportional to 19,557.20, 29,314.20 and 10,798.40

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Solution

The fourth proportional to 19,557.20, 29,314.20 and 10,798.40 is: 16,185.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,557.20 : 29,314.20 = 10,798.40 : x
  2. Step 2: Convert to fraction form
    19,557.20/29,314.20 = 10,798.40/x
  3. Step 3: Cross multiply
    19,557.20x = 29,314.20 × 10,798.40
  4. Step 4: Simplify right side
    19,557.20x = 316,546,457.28
  5. Step 5: Solve for x
    x = 316,546,457.28/19,557.20
  6. Step 6: Final answer
    x = 16,185.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.