Home / 13,008.04-19,515.57-4,688.98

Finding the Fourth Proportional to 13,008.04, 19,515.57 and 4,688.98

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Solution

The fourth proportional to 13,008.04, 19,515.57 and 4,688.98 is: 7,034.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.04 : 19,515.57 = 4,688.98 : x
  2. Step 2: Convert to fraction form
    13,008.04/19,515.57 = 4,688.98/x
  3. Step 3: Cross multiply
    13,008.04x = 19,515.57 × 4,688.98
  4. Step 4: Simplify right side
    13,008.04x = 91,508,117.42
  5. Step 5: Solve for x
    x = 91,508,117.42/13,008.04
  6. Step 6: Final answer
    x = 7,034.74

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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.