Home / 14,937.72-22,420.40-7,547.38

Finding the Fourth Proportional to 14,937.72, 22,420.40 and 7,547.38

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Solution

The fourth proportional to 14,937.72, 22,420.40 and 7,547.38 is: 11,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,937.72 : 22,420.40 = 7,547.38 : x
  2. Step 2: Convert to fraction form
    14,937.72/22,420.40 = 7,547.38/x
  3. Step 3: Cross multiply
    14,937.72x = 22,420.40 × 7,547.38
  4. Step 4: Simplify right side
    14,937.72x = 169,215,278.55
  5. Step 5: Solve for x
    x = 169,215,278.55/14,937.72
  6. Step 6: Final answer
    x = 11,328.05

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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.