Home / 15,567.57-21,495.78-12,024.63

Finding the Fourth Proportional to 15,567.57, 21,495.78 and 12,024.63

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Solution

The fourth proportional to 15,567.57, 21,495.78 and 12,024.63 is: 16,603.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,567.57 : 21,495.78 = 12,024.63 : x
  2. Step 2: Convert to fraction form
    15,567.57/21,495.78 = 12,024.63/x
  3. Step 3: Cross multiply
    15,567.57x = 21,495.78 × 12,024.63
  4. Step 4: Simplify right side
    15,567.57x = 258,478,801.06
  5. Step 5: Solve for x
    x = 258,478,801.06/15,567.57
  6. Step 6: Final answer
    x = 16,603.67

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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.