Home / 18,746.63-28,133.85-8,885.93

Finding the Fourth Proportional to 18,746.63, 28,133.85 and 8,885.93

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Solution

The fourth proportional to 18,746.63, 28,133.85 and 8,885.93 is: 13,335.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746.63 : 28,133.85 = 8,885.93 : x
  2. Step 2: Convert to fraction form
    18,746.63/28,133.85 = 8,885.93/x
  3. Step 3: Cross multiply
    18,746.63x = 28,133.85 × 8,885.93
  4. Step 4: Simplify right side
    18,746.63x = 249,995,281.06
  5. Step 5: Solve for x
    x = 249,995,281.06/18,746.63
  6. Step 6: Final answer
    x = 13,335.48

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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.