Home / 25,148.80-34,708.40-14,397.67

Finding the Fourth Proportional to 25,148.80, 34,708.40 and 14,397.67

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Solution

The fourth proportional to 25,148.80, 34,708.40 and 14,397.67 is: 19,870.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,148.80 : 34,708.40 = 14,397.67 : x
  2. Step 2: Convert to fraction form
    25,148.80/34,708.40 = 14,397.67/x
  3. Step 3: Cross multiply
    25,148.80x = 34,708.40 × 14,397.67
  4. Step 4: Simplify right side
    25,148.80x = 499,719,951.88
  5. Step 5: Solve for x
    x = 499,719,951.88/25,148.80
  6. Step 6: Final answer
    x = 19,870.53

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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.