Home / 23,325.86-32,189.76-12,715.28

Finding the Fourth Proportional to 23,325.86, 32,189.76 and 12,715.28

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Solution

The fourth proportional to 23,325.86, 32,189.76 and 12,715.28 is: 17,547.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,325.86 : 32,189.76 = 12,715.28 : x
  2. Step 2: Convert to fraction form
    23,325.86/32,189.76 = 12,715.28/x
  3. Step 3: Cross multiply
    23,325.86x = 32,189.76 × 12,715.28
  4. Step 4: Simplify right side
    23,325.86x = 409,301,811.53
  5. Step 5: Solve for x
    x = 409,301,811.53/23,325.86
  6. Step 6: Final answer
    x = 17,547.13

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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.