Home / 13,547.05-20,323.67-7,306.92

Finding the Fourth Proportional to 13,547.05, 20,323.67 and 7,306.92

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Solution

The fourth proportional to 13,547.05, 20,323.67 and 7,306.92 is: 10,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,547.05 : 20,323.67 = 7,306.92 : x
  2. Step 2: Convert to fraction form
    13,547.05/20,323.67 = 7,306.92/x
  3. Step 3: Cross multiply
    13,547.05x = 20,323.67 × 7,306.92
  4. Step 4: Simplify right side
    13,547.05x = 148,503,492.28
  5. Step 5: Solve for x
    x = 148,503,492.28/13,547.05
  6. Step 6: Final answer
    x = 10,962.05

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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.