Home / 42,714.24-64,073.12-14,653.59

Finding the Fourth Proportional to 42,714.24, 64,073.12 and 14,653.59

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Solution

The fourth proportional to 42,714.24, 64,073.12 and 14,653.59 is: 21,980.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,714.24 : 64,073.12 = 14,653.59 : x
  2. Step 2: Convert to fraction form
    42,714.24/64,073.12 = 14,653.59/x
  3. Step 3: Cross multiply
    42,714.24x = 64,073.12 × 14,653.59
  4. Step 4: Simplify right side
    42,714.24x = 938,900,916.96
  5. Step 5: Solve for x
    x = 938,900,916.96/42,714.24
  6. Step 6: Final answer
    x = 21,980.98

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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.