Home / 19,432.40-26,802.50-12,707.24

Finding the Fourth Proportional to 19,432.40, 26,802.50 and 12,707.24

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Solution

The fourth proportional to 19,432.40, 26,802.50 and 12,707.24 is: 17,526.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432.40 : 26,802.50 = 12,707.24 : x
  2. Step 2: Convert to fraction form
    19,432.40/26,802.50 = 12,707.24/x
  3. Step 3: Cross multiply
    19,432.40x = 26,802.50 × 12,707.24
  4. Step 4: Simplify right side
    19,432.40x = 340,585,800.10
  5. Step 5: Solve for x
    x = 340,585,800.10/19,432.40
  6. Step 6: Final answer
    x = 17,526.70

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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.