Home / 26,547.50-39,812.60-8,774.21

Finding the Fourth Proportional to 26,547.50, 39,812.60 and 8,774.21

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Solution

The fourth proportional to 26,547.50, 39,812.60 and 8,774.21 is: 13,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,547.50 : 39,812.60 = 8,774.21 : x
  2. Step 2: Convert to fraction form
    26,547.50/39,812.60 = 8,774.21/x
  3. Step 3: Cross multiply
    26,547.50x = 39,812.60 × 8,774.21
  4. Step 4: Simplify right side
    26,547.50x = 349,323,870.11
  5. Step 5: Solve for x
    x = 349,323,870.11/26,547.50
  6. Step 6: Final answer
    x = 13,158.45

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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.