Home / 14,070.42-19,416.38-7,695.74

Finding the Fourth Proportional to 14,070.42, 19,416.38 and 7,695.74

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Solution

The fourth proportional to 14,070.42, 19,416.38 and 7,695.74 is: 10,619.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.42 : 19,416.38 = 7,695.74 : x
  2. Step 2: Convert to fraction form
    14,070.42/19,416.38 = 7,695.74/x
  3. Step 3: Cross multiply
    14,070.42x = 19,416.38 × 7,695.74
  4. Step 4: Simplify right side
    14,070.42x = 149,423,276.66
  5. Step 5: Solve for x
    x = 149,423,276.66/14,070.42
  6. Step 6: Final answer
    x = 10,619.67

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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.