Home / 35,497.08-53,254.80-12,123.72

Finding the Fourth Proportional to 35,497.08, 53,254.80 and 12,123.72

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Solution

The fourth proportional to 35,497.08, 53,254.80 and 12,123.72 is: 18,188.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,497.08 : 53,254.80 = 12,123.72 : x
  2. Step 2: Convert to fraction form
    35,497.08/53,254.80 = 12,123.72/x
  3. Step 3: Cross multiply
    35,497.08x = 53,254.80 × 12,123.72
  4. Step 4: Simplify right side
    35,497.08x = 645,646,283.86
  5. Step 5: Solve for x
    x = 645,646,283.86/35,497.08
  6. Step 6: Final answer
    x = 18,188.72

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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.