Home / 13,307.40-19,948.30-10,344.20

Finding the Fourth Proportional to 13,307.40, 19,948.30 and 10,344.20

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Solution

The fourth proportional to 13,307.40, 19,948.30 and 10,344.20 is: 15,506.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.40 : 19,948.30 = 10,344.20 : x
  2. Step 2: Convert to fraction form
    13,307.40/19,948.30 = 10,344.20/x
  3. Step 3: Cross multiply
    13,307.40x = 19,948.30 × 10,344.20
  4. Step 4: Simplify right side
    13,307.40x = 206,349,204.86
  5. Step 5: Solve for x
    x = 206,349,204.86/13,307.40
  6. Step 6: Final answer
    x = 15,506.35

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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.