Home / 19,491.30-26,898.02-10,538.88

Finding the Fourth Proportional to 19,491.30, 26,898.02 and 10,538.88

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Solution

The fourth proportional to 19,491.30, 26,898.02 and 10,538.88 is: 14,543.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,491.30 : 26,898.02 = 10,538.88 : x
  2. Step 2: Convert to fraction form
    19,491.30/26,898.02 = 10,538.88/x
  3. Step 3: Cross multiply
    19,491.30x = 26,898.02 × 10,538.88
  4. Step 4: Simplify right side
    19,491.30x = 283,475,005.02
  5. Step 5: Solve for x
    x = 283,475,005.02/19,491.30
  6. Step 6: Final answer
    x = 14,543.67

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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.