Home / 19,343.61-26,688.30-12,526.85

Finding the Fourth Proportional to 19,343.61, 26,688.30 and 12,526.85

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Solution

The fourth proportional to 19,343.61, 26,688.30 and 12,526.85 is: 17,283.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,343.61 : 26,688.30 = 12,526.85 : x
  2. Step 2: Convert to fraction form
    19,343.61/26,688.30 = 12,526.85/x
  3. Step 3: Cross multiply
    19,343.61x = 26,688.30 × 12,526.85
  4. Step 4: Simplify right side
    19,343.61x = 334,320,197.41
  5. Step 5: Solve for x
    x = 334,320,197.41/19,343.61
  6. Step 6: Final answer
    x = 17,283.24

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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.