Home / 14,595.64-20,143.74-8,854.36

Finding the Fourth Proportional to 14,595.64, 20,143.74 and 8,854.36

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Solution

The fourth proportional to 14,595.64, 20,143.74 and 8,854.36 is: 12,220.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,595.64 : 20,143.74 = 8,854.36 : x
  2. Step 2: Convert to fraction form
    14,595.64/20,143.74 = 8,854.36/x
  3. Step 3: Cross multiply
    14,595.64x = 20,143.74 × 8,854.36
  4. Step 4: Simplify right side
    14,595.64x = 178,359,925.71
  5. Step 5: Solve for x
    x = 178,359,925.71/14,595.64
  6. Step 6: Final answer
    x = 12,220.08

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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.