Home / 14,079.05-19,432.55-8,417.15

Finding the Fourth Proportional to 14,079.05, 19,432.55 and 8,417.15

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Solution

The fourth proportional to 14,079.05, 19,432.55 and 8,417.15 is: 11,617.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.05 : 19,432.55 = 8,417.15 : x
  2. Step 2: Convert to fraction form
    14,079.05/19,432.55 = 8,417.15/x
  3. Step 3: Cross multiply
    14,079.05x = 19,432.55 × 8,417.15
  4. Step 4: Simplify right side
    14,079.05x = 163,566,688.23
  5. Step 5: Solve for x
    x = 163,566,688.23/14,079.05
  6. Step 6: Final answer
    x = 11,617.74

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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.