Home / 13,492.53-20,238.71-10,378.08

Finding the Fourth Proportional to 13,492.53, 20,238.71 and 10,378.08

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Solution

The fourth proportional to 13,492.53, 20,238.71 and 10,378.08 is: 15,567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492.53 : 20,238.71 = 10,378.08 : x
  2. Step 2: Convert to fraction form
    13,492.53/20,238.71 = 10,378.08/x
  3. Step 3: Cross multiply
    13,492.53x = 20,238.71 × 10,378.08
  4. Step 4: Simplify right side
    13,492.53x = 210,038,899.59
  5. Step 5: Solve for x
    x = 210,038,899.59/13,492.53
  6. Step 6: Final answer
    x = 15,567.05

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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.