Home / 13,031.60-19,541.64-3,798.32

Finding the Fourth Proportional to 13,031.60, 19,541.64 and 3,798.32

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Solution

The fourth proportional to 13,031.60, 19,541.64 and 3,798.32 is: 5,695.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.60 : 19,541.64 = 3,798.32 : x
  2. Step 2: Convert to fraction form
    13,031.60/19,541.64 = 3,798.32/x
  3. Step 3: Cross multiply
    13,031.60x = 19,541.64 × 3,798.32
  4. Step 4: Simplify right side
    13,031.60x = 74,225,402.04
  5. Step 5: Solve for x
    x = 74,225,402.04/13,031.60
  6. Step 6: Final answer
    x = 5,695.80

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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.