Home / 19,339.17-26,688.10-10,955.67

Finding the Fourth Proportional to 19,339.17, 26,688.10 and 10,955.67

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Solution

The fourth proportional to 19,339.17, 26,688.10 and 10,955.67 is: 15,118.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339.17 : 26,688.10 = 10,955.67 : x
  2. Step 2: Convert to fraction form
    19,339.17/26,688.10 = 10,955.67/x
  3. Step 3: Cross multiply
    19,339.17x = 26,688.10 × 10,955.67
  4. Step 4: Simplify right side
    19,339.17x = 292,385,989.14
  5. Step 5: Solve for x
    x = 292,385,989.14/19,339.17
  6. Step 6: Final answer
    x = 15,118.85

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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.